cs
- n a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
- n a degree on the centigrade scale of temperature
- n 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
- n a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
- n one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
- n a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
- n an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
- n ten 10s
- n a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
- n a general-purpose programing language closely associated with the UNIX operating system
- n (music) the keynote of the scale of C major
- n the 3rd letter of the Roman alphabet
- n street names for cocaine