1. Third letter in the Greek alphabet, gamma. 2. In chemistry, denotes the third in a series, the fourth carbon in an aliphatic acid, or position 2 removed from the a position in the benzene ring. 3. Symbol for 10-4 gauss; surface tension; activity coefficient. 4. Symbol for photon. For terms having this prefix, see the specific term.
Copyright© 1995 Williams & Wilkins. All rights reserved.