# ซี
## Verb (V)
### Sense: reproduce by xerography
- photocopy
- run off
- xerox

## Noun (N)
### Sense: the 3rd letter of the Roman alphabet
- C
- c
### Sense: a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
- coulomb
- ampere-second
### Sense: a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
- cytosine
### Sense: 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
- speed of light
- light speed