1. A degree on the centigrade scale of temperature Noun
2. The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second Noun
3. A vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy Noun
4. One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) Noun
5. A base found in DNA and RNA and derived from pyrimidine; pairs with guanine Noun
6. An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds Noun
7. Ten 10s Noun
8. A unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second Noun
9. A general-purpose programing language closely associated with the UNIX operating system Noun
10. (music) the keynote of the scale of C major Noun
11. The 3rd letter of the Roman alphabet Noun
12. Street names for cocaine Noun
13. Being ten more than ninety Adjective Satellite