n.
Pronunciation: ' ga-m ə
Function: noun
Etymology: Middle English, from Late Latin, from Greek, of Semitic origin; akin to Hebrew g ī mel gimel
Date: 15th century
1 : the 3d letter of the Greek alphabet ― see ALPHABET table
2 : the degree of contrast of a developed photographic image or of a video image
3 : a unit of magnetic flux density equal to one nanotesla
4 : GAMMA RAY < gamma counter>
5 : MICROGRAM