| 1 | Coefficient de perte de pression  | coefficient of pressure loss  |
| 2 | Coefficient de résistance au roulement  | coefficient of rolling resistance  |
| 3 | Coefficient de ruissellement | runoff coefficient  |
| 4 | Coefficient de trésorerie  | coefficient of cash  |
| 5 | Coffin ongles  | coffin nails  |
| 6 | Coffrage  | formwork  |
| 7 | Coffrage de base de bande  | formwork baseband  |
| 8 | Coffrage de dalle  | slab formwork  |
| 9 | Coffrage du conseil  | shuttering board  |
| 10 | Coffrage glissant  | slipform  |
| 11 | Coffre en bois  | wooden chest  |
| 12 | Coffres de toit  | roof boxes  |
| 13 | Cogestion  | co-management  |
| 14 | Cogging  | cogging  |
| 15 | Cohérence terme  | coherence term  |
| 16 | Cohorte initiale | initial cohort  |
| 17 | Cohortes  | cohorts  |
| 18 | Coiffes de chapeaux  | hat bands  |
| 19 | Coiffeur pour chien  | dog hairdresser  |
| 20 | Coiffures  | hairstyles  |
| 21 | Coin conjointe  | corner joint  |
| 22 | Coin couture  | sewing corner  |
| 23 | Coin creux  | hollow corner  |
| 24 | Coin de la feuille  | corner of the paper  |
| 25 | Coin de mur  | wall corner  |
| 26 | Coin du cadre  | corner of the frame  |
| 27 | Coin plat  | corner flat  |
| 28 | Coin salon  | lounge  |
| 29 | Coin tuiles  | corner tiles  |
| 30 | Coin-  | coin-  |
| 31 | coïncide  | coincide  |
| 32 | Coins de glace  | ice wedges  |
| 33 | Coir mat  | coir mat  |
| 34 | Coke-  | coke-  |
| 35 | Col de la vessie  | bladder neck  |
| 36 | Col degré  | pass degree  |
| 37 | Col roulé  | turtleneck  |
| 38 | Colcannon  | colcannon  |
| 39 | Cold Calling  | cold calling  |
| 40 | Coldframe  | coldframe  |
| 41 | Coléoptères modernes  | modern beetles  |
| 42 | Colis carte  | parcel map  |
| 43 | Colisée  | coliseum  |
| 44 | Collage de zone  | bonding area  |
| 45 | Collantes  | collantes  |
| 46 | Collants  | tights  |
| 47 | Collations énergétiques  | energy snacks  |
| 48 | Colle à carrelage  | tile adhesive  |
| 49 | Collé conjointe  | glued joint  |
| 50 | Colle polyuréthane  | polyurethane glue  |
| 51 | Colle pour papier peint  | wallpaper paste  |
| 52 | Colle renifleur  | glue sniffer  |
| 53 | Collecte conduit  | collecting duct  |
| 54 | Collecte d'électrode  | collection electrode  |
| 55 | Collecte de fruits  | fruit collection  |
| 56 | Collecte de preuves | collection of evidence  |
| 57 | Collecte de puissance  | gathering power  |
| 58 | Collecte des champignons | collection of mushrooms  |
| 59 | Collecte des déchets de papier | collection of waste paper  |
| 60 | Collecte des feuilles volantes  | collection of loose leaves  |
| 61 | collecter des  | collect  |
| 62 | Collecteur d'entrée de vapeur  | steam inlet manifold  |
| 63 | Collecteur de gaz  | gas manifold  |
| 64 | Collecteur de pression absolue  | manifold absolute pressure  |
| 65 | Collecteur de pression différentielle  | manifold differential pressure  |
| 66 | Collecteur de sortie | outlet manifold  |
| 67 | Collecteur de vapeur  | steam header  |
| 68 | Collecteur mixte  | joint collector  |
| 69 | Collectif Heber  | collective heber  |
| 70 | Collection capsule  | capsule collection  |
| 71 | Collection de timbres  | stamp collection  |
| 72 | Collection des manuels scolaires  | collection of textbooks  |
| 73 | Collection forfait  | collection package  |
| 74 | Collection se termine  | collection ends  |
| 75 | Collection station de  | collection station  |
| 76 | Collectionner  | collect  |
| 77 | Collectionneur d'art  | art collector  |
| 78 | Collectionneurs boues  | sludge collectors  |
| 79 | Collectionneurs du mamelon  | collectors of the nipple  |
| 80 | Collectionneurs Mist  | mist collectors  |
| 81 | Collector passion  | collector passion  |
| 82 | Collector tasse  | collector cup  |
| 83 | collèges  | colleges  |
| 84 | Collégial  | collegiate  |
| 85 | Collègue professionnel | professional colleague  |
| 86 | Collet pneumatique  | pneumatic collet  |
| 87 | Collier de perles  | pearl necklace  |
| 88 | Collier de selle  | seat clamp  |
| 89 | Colliers  | necklaces  |
| 90 | Colline  | hill |
| 91 | Colline d'enregistrement  | hill record  |
| 92 | Collision | collision  |
| 93 | Collision fréquence  | collision frequency  |
| 94 | Collision frontale  | collision  |
| 95 | Collision rapide  | fast collision  |
| 96 | Colloque doctoral  | doctoral symposium  |
| 97 | Colloque examen  | symposium review  |
| 98 | Colmatage des filtres  | filter clogging  |
| 99 | Colocation  | colocation  |
| 100 | Cologne  | cologne  |