C, 1. symbol for canine tooth. 2. symbol for the element carbon. 3. symbol for large calorie. 4. symbol for compliance. 5. symbol for cathode. 6. symbol for Celsius. 7. symbol for clonus. 8. symbol for complement. 9. symbol for contraction. 10. symbol for coulomb. 11. abbreviation for cytosine. 12. symbol for cervical vertebra.