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1

gamma

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noun gam·ma \ˈga-mə\

Simple Definition of gamma

  • : the third letter of the Greek alphabet

Full Definition of gamma

  1. 1 :  the 3d letter of the Greek alphabet — see alphabet table

  2. 2 :  the degree of contrast of a developed photographic image or of a video image

  3. 3 :  a unit of magnetic flux density equal to one nanotesla

  4. 4 :  gamma ray <gamma counter>

  5. 5 :  microgram

Origin of gamma

Middle English, from Late Latin, from Greek, of Semitic origin; akin to Hebrew gīmel gimel


First Known Use: 15th century

Rhymes with gamma


2

gamma

adjective gam·ma

Definition of gamma

  1. 1 :  of, relating to, or being one of three or more closely related chemical substances

  2. 2 :  third in position in the structure of an organic molecule from a particular group or atom —symbol γ



1896

First Known Use of gamma

1896



Learn More about gamma

  1. Medical Dictionary: Definition of "gamma" Britannica.com: Encyclopedia article about "gamma"


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