| capacitance electronic disc(noun, technology, entity, form, concept) |
| capitate bone(anatomy, bone) |
| card punching(noun, technology, entity, form, concept) |
| carefree sundial(noun, technology, entity, form, concept) |
| cartrivision(noun, technology, entity, form, concept) |
| cervical ribs(anatomy, bone) |
| cervical vertebrae(anatomy, bone) |
| coccygeal vertebrae(anatomy, bone) |
| collator(noun, technology, entity, form, concept) |
| compact disc video(noun, technology, entity, form, concept) |
| compact video cassette(noun, technology, entity, form, concept) |
| compound locomotive(noun, technology, entity, form, concept) |
| comptometer(noun, technology, entity, form, concept) |
| continuous stationery(noun, technology, entity, form, concept) |
| correction paper(noun, technology, entity, form, concept) |
| correction tape(noun, technology, entity, form, concept) |
| cross bow quadrant(noun, technology, entity, form, concept) |
| cross head(noun, technology, entity, form, concept) |
| cuboid bone(anatomy, bone) |
| curta(noun, technology, entity, form, concept) |