| fr | 
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pt | 
| Cadre en bois (m) / Armature en bois (f)  | Holzrahmen (m)  | Wooden frame | Cornice di legno (f) / Telai in legno | Bastidor de madera (m) / Marco de madera (m)  |  | 
| Cadre métallique (m) / Châssis métallique (m) / Armature métallique (f)  | Metallrahmen (m)  | Metal frame | Telaio metallico (m)  | Marco de metal (m) / Estructura metálica (f) / Marco metálico (m)  | Armação de metal (f) / Estrutura metálica (f)  | 
| Caillebotis (m) / Grille (f) | Gitterrost (m)  | Grating / Grate  | Grata (f)  | Rejilla (f) |  | 
| Calcaire (m)  | Kalkstein (m)  | Limestone | Calcare | Piedra caliza (f)  |  | 
| Calcification (f) / Dépôt calcaire (m)  | Kalkablagerung (f)  | Limescale  | Sedimento calcareo (m) / Calcare | Calcificación (f) / Depósito de cal (m)  |  | 
| Calcite (f) | Kalkspat (m) / Calcit (m) / Kalzit (m) | Calcspar / Calcite | Calcite (f)  | Calcita (f) |  | 
| Calcium (m)  | Calcium (nt)  | Calcium  | Calcio (m)  | Calcio (m)  |  | 
| Cale (f) / Coin (m) | Keil (m)  | Wedge  | Spicchio (m) / Cuneo (m)  | Cuña (f) / Trozo (m)  |  | 
| Cale en pierre (f) / Claveau (m) | Keilstein (m) | Arch brick / Arch stone / Wedge stone | Cuneo di pietra (m)  | Arco de ladrillo (m) / Dovela (piedra) (f)  |  | 
| Cambium (m)  | Kambium (nt) / Kambiumring (m)  | Cambium | Cambio (m)  | Cambium (m)  |  | 
| Capillaire (m) / Tube capillaire (m)  | Kapillare (f) | Capillary / Capillary tube | Capillare | Capilar (m) / Tubo capilar (m)  |  | 
| Capital chiffré (m) | Figurenkapitell (nt) | Ancient Egyptian bell-capital | Cifra capitale | Capital de figura (f) |  | 
| Capuchon arqué (m) / Couvercle du dôme (m) | Gewölbekappe (f) / Domdeckel (m) | Dome cover / Arch cap | Cappuccio ad arco / Copertura a cupola | Tapa abovedada (f) |  | 
| Carbonado (m) | Carbonado (m)  | Carbonado / Black diamond | Carbonado (m)  | Carbonado (m) |  | 
| Carlin (m) / Pierre du débutant (f)  | Kämpferstein (m) / Anfängerstein (m)  | Starting stone / Capstone | Carlino (m) / Pietra del principiante (f)  | Piedra de doguillo (f)  |  | 
| Carreau (m) / Dalle (f) | Fliese (f)  | Tile | Mattonella (f) / Piastrella (f)  | Baldosa (f) / Azulejo (m) |  | 
| Carré (m) | Quadrat (nt)  | Square | Quadrato (m) | Cuadrado (m) |  | 
| Cartilage (m)  | Knorpelwerk (nt) / Knollenwerk (nt) | Renaissance scrollwork  | Decorazione a cartilagine (f)  | Estilo auricular (f)  |  | 
| Cave (f) | Keller (m)  | Cellar / Basement | Interrato  (m) | Sótano (m) |  | 
| Cavet (m)  | Hohlraum (m)  | Cavity | Cavità (f) | Cavidad (f)  |  | 
| Cavité (f) | Aushöhlung (f)  | Cavity / Hollow / Erosion  | Cavità (f) | Oquedad (f)  |  | 
| Cellulose (f)  | Cellulose (f) | Cellulose | Cellulosa (f)  | Celulosa (f)  |  | 
| Cendre(s) (f.pl)  | Asche (f)  | Ash(es) (pl.)  | Cenere (f)  | Ceniza (f)  |  | 
| Cercle (m) | Kreis (m)  | Circle | Cerchio | Círculo (m) |  | 
| Certificat d'authenticité (m)  | Echtheitszertifikat (nt)  | Certificate of authenticity  | Certificato di autenticità (m)  | Certificado de autenticidad (m)  |  | 
| Chaire (f)  | Kanzel (f) / Predigtstuhl (m)  | Pulpit  | Pulpito (m)  | Púlpito (m)  |  | 
| Chambre (f)  | Kammer (f)  | Chamber / Compartment | Camera (f) / Sezione | Cámara (f) / Recámara (f)  |  | 
| Chambre de cloche (f) | Glockenkammer (f)  | Bell chamber | Campana | Cámara acorazada (f) |  | 
| Champ fenêtré (m) | Fensterfeld (nt) | Window panel | Campo finestra | Campo ventana (m) |  | 
| Chanfrein (m)  | Kittfase (f) | Chamfer | Smusso (m)  | Chaflán (m) |  | 
| Chapeau de cheminée (m) | Kaminhut  | Chimney cover / Chimney cap | Cappello camino (m)  | Sombrero da chimenea (m) |  | 
| Chapeau de cheminée (m) | Cheminéehut (m) | Fireplace cap | Cappello da camino | Sombrero para chimenea (m) |  | 
| Chapeau de tuyau d'échappement (m) / Hotte aspirante (f) | Dunstrohrhut (m) / Dunstrohrhaube (f) | Exhaust pipe cap / Extractor hood | Cappello tubo di scarico / Cappa aspirante | Tapa del tubo de escape (f) / Campana extractora (f) |  | 
| Chapiteau (m)  | Kapitell (nt)  | Capital | Capitello (m)  | Capitel (m) |  | 
| Chappelle (f)  | Kapelle (f)  | Chapel | Cappella (f)  | Capilla (f) / Ermita (f) / Templo (m)  |  | 
| Charbon (m) / Charbon de bois (m) / Fusain (m) | Holzkohle (f) | Charcoal  | Carbone di legna (m) / Carbone (m)  | Carbón (m) / Carbón vegetal (m) / Carbón de leña (m) / Carbón de madera (m)  |  | 
| Charge (f) / Fardeau (m)  | Last (f)  | Load | Peso (m) / Fardello | Peso (m) / Carga (f)  | Fardo (m) / Carga (f)  | 
| Charnière | Scharnier | hinge | Cerniera | charnela |  | 
| Charnière (f) | Kloben (m) | Bracket / Clamp / Hinge | Cerniera (f)  | Bisagra (f) |  | 
| Charnière de fenêtre (f)  | Fensterband (f)  | Window ribbon / band | Cerniera della finestra | Bisagra de ventana (f)  |  | 
| Charnière de fixation (f)  | Fischband (nt) / Fitschenband (nt)  | Fitting hinge | Cerniera di montaggio | Bisagra de ajuste (f)  |  | 
| Charpente (f) / Entablement (m) | Gebälk (nt) / Entablatur (f)  | Beams (pl) / Entablature / Timberwork  | Trabeazione (f) | Entablamento (m) |  | 
| Charpente en bois (f) | Fachwerk (nt)  | Framework / Timber framing | Intelaiato (m) | Entramado (m) / Estructura de madera (f) |  | 
| Chaudière (f)  | Heizkessel (m) | Boiler / Heating boiler | Caldaie di riscaldamento | Caldera (f) / Caldera de calefacción (f) |  | 
| Chaux vive (f) / Oxyde de calcium (m)  | Calciumoxid (nt) / gebrannter Kalk (m) / Branntkalk (m) / ungelöschter Kalk (m)  | Calcium oxide  / Quick lime  | Calce rapida (f) / Ossido di calcio (m)  | Cal viva (f) / Cal rápida (f) / óxido cálcico (m)  |  | 
| Chaîne (f)  | Kette (f)  | Chain | Catenella (f) / Catena (f)  | Cadena (f) |  | 
| Cheminée (f) | Kamin (m)  | Chimney / Fireplace | Caminetto / Ciminiera  | Chimenea (f) / Tiro de la chimenea (m)  |  | 
| Cheminée (f)  | Cheminée (n)  | Fireplace | Focolare | Chimenea (f)  |  | 
| Cheville en bois (f) | Holzdübel (m)  | Wooden plug / Wooden dowel  | Tasselli di legno (m)  | Clavija de madera (f)  |  | 
| Cheville en bois (f) / Clou en bois (m)  | Holznagel (m)  | Wooden nail  | Chiodo di legno (m)  | Clavo de madera (m)  |  | 
| Chevron (m) | Dachsparren (m) | Rafter | Trave (f) | Cabio / Viga |  | 
| Chevron (m)  | Sparren (m)  | Rafter  | Puntone | Viga (f)  |  | 
| Chevron de vol (m)  | Flugsparren (m)  | Flying rafter / Flight rafter | Trave di volo | Viga de vuelo (f) |  | 
| Chevron principal (m) / Chevron de charpente (m) | Hauptsparren (m) / Bindersparren (m)  | Main rafter / Truss rafter | Trave principale / Trave a traliccio | Viga principal (f) / Viga de celosía (f)  |  | 
| Chlore (m)  | Chlor (nt) | Chlorine  | Cloro (m)  | Cloro (m)  |  | 
| Cholofluorocarbone (m)  | FCKW - Fluorkohlenwasserstoff (m)  | CFC - Chlorofluorocarbon | Clorofluorocarburo (m)  | TFC - Tetrafluorocarburos (m.pl)  |  | 
| Chrome (m)  | Chrom (nt)  | Chromium  | Cromo (m)  | Cromo (m)  |  | 
| Châssis (m) / Monture (f) | Zarge (f) / Türzarge (f) / Türfutter (m) / Türrahmen (nt) | Door frame  | Cornice | Armazón (m) |  | 
| Châssis avant (m) | Frontrahmen (m) | Front frame / Front border | Telaio anteriore | Marco frontal (m) / Marco delantero (m) |  | 
| Châssis de fenêtre (m) | Fensterrahmen (m) | Window frame | Infissi | Marco de ventana (m) |  | 
| Châssis de fenêtre (m) | Fensterflügel (m) | Window sash / Casement / Window wing | Anta della finestra | Batiente (m) |  | 
| Châtaigne (f) / Châtaignier (m) / Marronnier (m)  | Kastanie (f)  | Chestnut / Horse chestnut / Conker  | Castagno (m)  | Castaño (m) / Castaña (f)  |  | 
| Château central (m) / Château principal (m)  | Kernburg (f) / Hauptburg (f) / Hochburg (f) / innere Burg (f)  | Inner bailey / Inner ward | Mucleo del castello  (m) / Core castello (m)  | Castillo central (m)  |  | 
| Chêne (m) | Eiche (f) | Oak | Quercia | Roble (m) |  | 
| Chœur (m)  | Chor (m)  | Choir  | Coro (m)  | Coro (m)  |  | 
| Cime d'arbre (f)  | Baumkrone (f)  | Treetop | Corona dell'albero (f)  | Copa del árbol (f)  |  | 
| Cinabre d'antimoine (m)  | Antimonzinnober (nt)  | Antimony cinnabar  | Cinabro di antimonio (m)  | Cinabrio de antimonio (m)  |  | 
| Cire d'abeille (f)  | Bienenwachs (nt)  | Beeswax | Cera d'api (f)  | Cera de abeja (f)  |  | 
| Clair-obscure (m)  | Helldunkel (nt) / Chiaroscuro  | Chiaroscuro  | Chiaroscuro (m)  | Claro oscuro (m)  |  | 
| Clapet (m) / Aération (f) / Volet de ventilation (m) | Luftklappe (f)  | Air valve / Damper / Air vent / Air flap | Serranda aria | Compuerta de aire (f) / Válvula de aire (f)  | Aba de ventilação (f) / Válvula de membrana (f)  | 
| Classicisme (m) / Néoclassicisme (m)  | Klassizismus (m) / Neoklassizismus (m)  | Classicism / Neoclassicism | Classicismo (m) / Neoclassicismo (m)  | Classicisme (m) / Néoclassicisme (m)  |  | 
| Clef de voûte (f) | Schlussstein (m) / Gewölbestein (m) / Scheitelstein (m) | Keystone / Capstone | Chiave di volta (f)  | Dovela (f) / Clave (f) |  | 
| Climatisation (f) / Climatiseur (m)  | Klimaanlage (f)  | Air-conditioning / Air-conditioning unit / AC / AC system | Climatizzazione / Aria condizionata (f)  | Aire acondicionado (m) / Sistema de climatización (m) |  | 
| Cloison séparative (f) | Trennwand (f)  | Dividing Wall | Parete divisoria  | Tabique de panderete |  | 
| Cloître (m)  | Kreuzgang (m)  | Cloister | Chiostro (m)  | Claustro (m)  |  | 
| Coefficient de dilatation (m)  | Ausdehnungskoeffizient (m)  | Coefficient of expansion | Coefficiente di espansione (m)  | Coeficiente de dilatación (m) |  | 
| Coffrage de dalle (m)  | Deckenschalung (f) | ceiling boarding / formwork / shuttering / ceiling formwork | Cassaforma per solai | Encofrado de losas (m)  |  | 
| Coincement | Verkeilung (f)  | Wedging | Incuneamento (m)  | De bloqueo |  | 
| Col avec épingle (m)  | Aufhalsung mit Zapfen (f)  | Spigot joint with pin  | Collo con perno (m)  | Cuello con alfiler (m)  |  | 
| Colle (f)  | Leim (m)  | Glue / Paste / Size | Collante  | Pegamento (m) | Cola (f) / Colagem (f)  | 
| Colle (f) / Adhésif (m)  | Klebstoff (m) / Kleber (m)  | Glue / Adhesive  | Adesivo (m) / Colla (f)  | Pegamento (m) / Adhesivo (m)  |  | 
| Colle d'amidon (f) / Pâte à papier peint (f)  | Kleister (m) / Tapetenkleister (m) | Paste / Wallpaper paste  | Colla d'amido (f) / Pasta per carta da parati (f)  | Engrudo (m) / Pasta para papel tapiz (f)  |  | 
| Colle à dispersion (f)  | Dispersionsleim (m) / Dispersionsklebstoffe (pl) | Dispersion glue | Colla a dispersione (f)  | Pegamento de dispersión (m)  |  | 
| Collier (m) | Treppenwange (f) | Stair stringer / Stair frame / Stair cheek | Cordicella | Ristra  |  | 
| Collier de serrage (m)  | Kloben Ladenband (nt)  | Locking clamp for shutter hinge | Morsetto a nastro carico (m)  | Abrazadera de banda cargada (f)  |  | 
| Collier pour tuyau (m) / Collier de serrage (m) | Rohrschelle (f) | Pipe strip/clamp/bracket | Fermaglio per tubo (m) | Abrazadera de tubo (f) / Abrazadera para tubos (f) |  | 
| Colonne murale  | Wandsäule (f)  | Wall column/pillar | Colonna a muro  | Columna mural  |  | 
| Colonne suspendue (f) / Postes de suspension (m)  | Hängesäule (f) / Hängepfosten (m)  | Hanging post / Suspension post / Hanging column | Colonna pensile / Posti di sospensione | Columna colgante (f) / Postes de suspensión (m)  |  | 
| Colorant (m)  | Farbmittel (nt) / Farbstoff (m)  | Colourant / Dye  | Colorante (m)  | Colorante (m)  |  | 
| Colorant azoïque (m)  | Azofarbstoff (m)  | Azo dye  | Azocomposto (m)  | Colorante azoico (m)  |  | 
| Compartiment (m) | Gefach (nt) | Compartment / Partition | Compartimento (m) | Compartimento (m) |  | 
| Compas d'épaisseur  | Greifzirkel (m) / Außentaster (m)  | Calipers | Pinze | Calibradores (m)  |  | 
| Complément (m)  | Ergänzung (f)  | Completion  | Integrazione (f)  | Complemento (m) |  | 
| Composition (f)  | Aufbau (m)  | Construction / Setup  | Costruzione (f)  | Construcción (f)  |  | 
| Composé aromatique (f) | Aromat (m)  | Aromatic compound | Composto aromatico (m) | Aroma (m) |  | 
| Comprimé solide (m) | Brettchen (fest) (nt) | Slat / Small board, solid | Compresse, solido | Comprimido sólido (m) |  | 
| Condensation (f)  | Kondensation (f)  | Condensation | Condensazione (f) /  | Condensación (f) / Condensado (m)  |  | 
| Conduit de montage (m) | Installationsschacht (m) | Installation shaft | Pozzo di installazione (m)  | Pozo de montaje (m) / Pozo de acceso (m) |  | 
| Connexion d'angle (f)  | Eckverbindung (f)  | Corner connection / Corner joint / Angle joint | Giunto d'angolo (m)  | Conexión de esquina (f) / Unión angular (f)  |  | 
| Connexion à lame droite (f) / Joint de réduction de moitié (m)  | Blattstoss (m) / Gerades Blatt (nt)  | Halving joint / Half-lap scarf joint / Straight leaf joint / Straight leaf connection | Attacco lama dritto (m) / Giunto di dimezzamento (m)  | Hoja recta (f)  |  | 
| Console (f)  | Träger (m)  | Truss / Beam / Supporting beam  | L'architrave (m)  | Viga (f) |  | 
| Construction (f) / Structure (f)  | Konstruktion (f) / Baukonstruktion  | Construction / Design  | Costruzione (f) | Construcción (f) / Estructura (f)  |  | 
| Construction en terre glaise (f)  | Lehmbau (m)  | Loam construction / Clay building | Costruzione in argilla (f)  | Construcción de arcilla (f)  | Construção em argila (f)  | 
| Construction massive (f)  | Massivbau (m) / Massivbauweise (f)  | Solid construction / Massive construction  | Costruzione solida (f)  | Sólida construcción (f) / Construcción sólida (f) / Masiva construcción (f) / Construcción masiva (f)  | Sólida edificação (f) / Construção sólida (f)  | 
| Construction à cheville (f)  | Dübelverbindung (f)  | Dowel joint  | Costruzione a tassello (f)  | Conexión por clavijas (f)  |  | 
| Contenu (m) / Sujet (m)  | Inhalt (m)  | Content | Tenore / Contenuto (m)  | Contenido (m)  |  | 
| Contreplaqué (m)  | Blindholz (nt)  | Construction wood  | Compensato (m)  | Madera de baja calida que se usa ein lugares no visibles (f)  |  | 
| Contrepoids (m)  | Gegengewicht (nt)  | Counterweight / Counter balance | Contrappeso (m) | Contrapeso (m) |  | 
| Convecteur (m)  | Konvektor (m)  | Convector | Convettore (m)  | Convector (m)  |  | 
| Copeaux de bois (m.pl)  | Holzspan (m) / Hobelspäne (m.pl)  | Wood shavings / Wood chips / Sawdust | Rasatura del legno (f) / Truciloi di pialltura (m.pl)  | Afeitado de madera (m) / Virutas (f.pl)  |  | 
| Copeaux de bois (m.pl) / Copeaux (m.pl) | Holzwolle (f)  | Excelsior / Wood wool / Wood shavings | Lana di legno (f)  | Virutas de madera (f.pl)  |  | 
| Coque de support intérieure (f)  | Innere Tragschale (f)  | Inner support shell | Guscio interno di supporto (m)  | Carcasa de soporte interior (f)  |  | 
| Cordon de marquage (m)  | Spickschnur (f) (CH) / Schlagschnur (f) (DE) / Markierschnur (f)  | Chalk line | Cordone di marcatura | Cordón de medida (m)  |  | 
| Cordons de brassage (m.pl)  | Flickzapfen (m) | Filler peg | Cavi patch | Cordones de conexión (m.pl) |  | 
| Corniche (f) | Karnies (nt)  | Cornice moulding | Cornice (f) / Cornicione (m) | Cornisa (f) |  | 
| Corniche (f)  | Gurtgesims (nt) | Cornice / Belt course / String course | Cornice | Cornisa (f) |  | 
| Corniche du foyer (f) | Cheminéesims (nt) | Mantel / Mantelplace / Fireplace ledge | Cornice del camino | Cornisa de chimenea (f) |  | 
| Coronel | Krönel (m)  | Coronel | Coronamento (m)  | Coronel (m)  |  | 
| Corrosion (f)  | Korrosion (f)  | Corrosion  | Corrosione (f)  | Corrosión (f)  |  | 
| Coton (m)  | Baumwolle (f)  | Cotton  | Cottone (m)  | Algodón (m)  |  | 
| Couche de fond (f) / Fond de teint (m) / Couche d'apprêt (f) | Grundierung (f) / Grundierungsmittel (nt)  | Primer / Grounding / Foundation  | Primer / Innesco | Imprimación (f) / Capa de imprimación (f) |  | 
| Couche de peinture (f) | Malschicht (f)  | Paint coat / Paint layer  | Strato di pittura (m)  | Capa de pintura (f)  | Camada de pintura (f)  | 
| Couche de peinture (f)  | Farbschicht (f)  | Layer of paint  | Strato di colore (m)  | Capa de color (f)  |  | 
| Couleur (m)  | Farbe (f)  | Colour (UK) / Color (US) | Colore (m)  | Color (m)  |  | 
| Coulée (f) / Fonte (f) / Fonderie (f) | Guss (m)  | Cast | Colata (f) / Diluvio (m)  | Fundición (f) / Molde (m) |  | 
| Coupe d'onglet avec goupille (f)  | Gehrung mit Zapfen (f)  | Mitre bridle joint / Mitre joint with pin | Mitra con perno (f)  | A inglete con perno (m)  |  | 
| Coupe suédoise (f)  | Schwedenschnitt (m) | Swedish cut | Taglio svedese (m) | Corte sueco (m) |  | 
| Coupe transversale (f) | Querschnitt (m) | Cross section | Sezione | Sección transversal (f) |  | 
| Couper en longueur / Bois de bout (m) | Hirnholz (nt) / Stirnholz (nt)  | Crosscut / Crosscut wood / End-grain | Traversa / Legno tagliato trasveralmente (m)  | Intersectorial / Madera de testa (f)  |  | 
| Coupole (f)  | Kuppel (f) / Dom (m) | Dome / Cupola / Cupola roof | Cupola (f) / Calotta (f)  | Cúpula (f) / Bóveda (f)  |  | 
| Cour du château (f) | Burghof (m) | Castle courtyard / Bailey | Cortile del castello | Patio del castillo |  | 
| Cour du monastère (f)  | Klosterhof (m)  | Monastery courtyard | Cortile del monastero | Patio del monasterio (m) |  | 
| Couronne (en brique) (f)  | Krone (vom Backstein) (f)  | Crown / Cap (of a brick)  | Colmo (m) / Corona (f) (di mattoni) | Corona (de ladrillo) (f)  |  | 
| Couvercle (m)  | Deckel (m)  | Lid  | Coperchio (m)  | Tapa (f)  |  | 
| Couvercle du capuchon (m) | Kappendecke (f) / Preussische Kappendecke (f) / kurz Preussische Kappe (f) / Berliner Gewölbe (nt) | Barrel ceiling / Cap ceiling | Coperchio (m) | Tapa del capuchón (f)  |  | 
| Couverture (f) | Abdeckung (f)  | Capping, decking, covering | Copertura (f) | Recubrimiento (m) |  | 
| Couverture (f) | Abdeckung (f) | Cover | Copertura (f) | Recubrimiento (m) |  | 
| Craie (f) / Crétacé (m)  | Kreide (f)  | Chalk  | Gessetto (m) / Gesso (m) | Tiza (f) / Caliza (f) |  | 
| Craquelures (f, pl)  | Alterssprünge (m, pl) | Ageing cracks | Spaccature (f, pl)  | Craqueladuras (f, pl)  |  | 
| Crayon (m)  | Bleistift (m)  | Pencil  | Matita (f)  | Lápiz (f)  |  | 
| Crochet obturateur (m) | Fanghaken (m) | Safety catch / hook | Gancio di arresto | Gancho de detención (m) |  | 
| Crochet échelle (m) / Crochet escabeau (m)  | Leiterhaken (m) / Dachhaken (m) / Sicherheits-Haken (m)  | Ladder hook / Staple hook  | Gancio per scale (m) | Gancho de escalera (m)  | Gancho de escada (m) | 
| Croquis (m)  | Entwurf (m)  | Draft  | Abbozzo (m)  | Esbozo (m)  |  | 
| Crypte (f)  | Krypta (f) / Unterkirche (f)  | Crypt | Cripta (f)  | Cripta (f)  |  | 
| Crysotile (m) | Crysotil (f) / Weißasbest (m)  | Crysotile / White asbestos | Criotilo (m) | Crisótilo (m)  |  | 
| Crépi (m) | Verputz (m) | Plaster | Intonaco (m) | Revoque (m) |  | 
| Crépi extérieure (m) | Aussenputz (m) | Exterior plaster / Exterior rendering | Intonaco esterno (m) | Enlucido exterior (m) / Revoque exterior (m) |  | 
| Cubisme (m) | Kubismus (m)  | Cubism  | Cubismo (m)  | Cubismo (m)  |  | 
| Cuir (m) | Leder (nt) | Leather | Cuoio (m) / Pelle | Cuero (m) / Piel (f)  | Couro (m) / Cabedal (m) / Pele (f)  | 
| Cuisine du château | Burg Küche (f)  | Castle Kitchen | Cucina del castello | Cocina del Castillo |  | 
| Cuivre (m)  | Kupfer (nt)  | Copper | Rame (m)  | Cobre (m)  | Cobre (m) | 
| cachetage extérieur | Versiegelung aussen | external sealing | sigilli all'esterno | sellado exterior |  | 
| cadre support | Rückhalter | supporter | sostegno | detentor |  | 
| calquer / tracer  | durchpausen / durchzeichnen (v) | trace | ricalcare / tracciare  | calcar |  | 
| carreller  | fliesenlegen (v) | lay tiles | piastrellare  | colocar azulejos |  | 
| caustique | ätzend (adj)  | caustic/corrosive | caustico  | caústico  |  | 
| changer | ändern (sich) (v) | change | cambiare | cambiar |  | 
| charnière / entablure / centre de rotation | Scharnier / Drehpunkt | hinge / pivot point | cerniera / bilico / perno | charnela / bisagra / centro de giro |  | 
| chromate | chromieren (v)  | chromate / chromium-plate | cromato  | cromato  |  | 
| châssis (m) / dormant (m) | Zarge (f) / Architrav (m) | architrave | telaio (m) / cornice (f) | cerco (m) |  | 
| châssis de fenêtre | Blendrahmen | window frame / blind frame | telaio della finestra | precerco |  | 
| chéneau (m) / gouttière (f) | Dachrinne (f), Regenrinne (f) | gutter / roof gutter / eaves gutter / eaves | grondaia (f) | canalón (m) |  | 
| chéneaux (m) carrés | Dachrinnen (f) eckig | eaves gutter angled | grondaia (f) angolare | canalòn (m) angular |  | 
| chéneaux (m) mi-ronds | Dachrinnen (f) halbrund | guttering half-round | grondaia (f) | canalòn (m) |  | 
| clair  | hell (adj)  | bright / light | lucente / chiaro  | brillante / luminoso / claro  |  | 
| coffrage (m) | Schalung (f) bei Wandauflager | boarding / formwork / shutter | cassaforma (f) / cassero (m) | encofrado (m) / revestimiento (m) |  | 
| coffrage (m) reprise (f) en sous-oeuvre (f) bordière | Schalung (f) bei Randunterzug | boarding / formwork / shutter on border joist | cassaforma (f) / cassero (m) | encofrado (m) / revestimiento (m) en jácena (f) / sopanda (f) marginal |  | 
| coffrage (m), 	recouvrement (m) / housse (f) | Schalung (f), Überzug (m) | boarding / formwork / shutter, casing / coating / cover / overlay | cassaforma (f) / cassero (m), copertura (f) / fodera (f) | encofrado (m) / revestimiento (m), forro (m) |  | 
| coffrage (m), reprise (f) en sous-oeuvre (f) | Schalung (f), Unterzug (m) | boarding / formwork / shutter, joist / binding beam | cassaforma (f) / cassero (m) | encofrado (m) / revestimiento (m), jácena (f) / sopanda (f) |  | 
| coller | anleimen (v)  | glue on  | incollare | encolar |  | 
| coloré | farbig (adj)  | coloured | colorato  | colorido  |  | 
| compléter  | ergänzen (v)  | complete | integrare | completar  |  | 
| construire | aufbauen (etwas) (v)  | set up / construct  | costruire | construir  |  | 
| construit  | aufgebaut (adj)  | set up / constructed  | construito  | construído  |  | 
| contrelimon / 	faux-limon | Wandwange | wall stringer |  | zanc mural |  | 
| contremarche | Setzstufe | step riser | Setzstufe | contrahuella |  | 
| corbeau (m)  | Konsole (f) / Kragstein (m)  | Corbel | Mensola (f)  | Ménsula (f) |  | 
| corniche (f) | Gesims (nt) | Cornice/ Ledge | cornicione | cornisa (f) |  | 
| couler  | fließen (v) | flow | scorrere | fluir |  | 
| couloirs | Seitenbleche | side panels | lamiere laterali | planchas laterales |  | 
| couvercle de volet roulant | Rollladendeckel | shutter closure head | battente di persiana avvolgibile  | persiana enrollable cachucha |  | 
| crapaudines | Rinnenseiher | Rinnenseiher | Rinnenseiher | Rinnenseiher |  | 
| creux | hohl (adj)  | hollow | cavo  | hueco  |  | 
| cristallin  | kristallin (adj) | crystalline | cristallina  | cristalino |  | 
| crochets (m) carrés | Rinnenhaken (m)eckig | gutter bracket (m) eckig | Rinnenhaken (m) eckig | Rinnenhaken (m) eckig |  | 
| crochets (m) carrés | Rinnenhaken (m) eckig | gutter bracket | Rinnenhaken (m) eckig | Rinnenhaken (m) eckig |  | 
| crochets (m) mi-ronds | Rinnenhaken (m) halbrund | gutter bracket (m) halbrund | Rinnenhaken (m) halbrund | Rinnenhaken (m) halbrund |  | 
| créneau m. | Zinne | battlement | merlo m. | almena |  | 
| crépi de ciment | Zementputz | cement plaster | intonaco de cemento | revoque de cemento |  | 
| cylindre | Walze | cylinder | rodillo | rullo portante |  |