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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

Source: Merriam-Webster's Learner's Dictionary

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 and Etymology of gamma

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


First Known Use: 15th century


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

Rhymes with gamma


Medical Dictionary

1

gamma

play
noun gam·ma \ˈgam-ə\

Medical Definition of gamma

  1. 1:  the third letter of the Greek alphabet—symbol Γ or γ

  2. 2:  a unit of magnetic flux density equal to one nanotesla

  3. 3:  gamma ray—usually used as the attributive form of gamma ray <gamma counter>

  4. 4:  microgram 1




2

gamma

adjective gam·ma

Medical Definition of gamma

  1. 1:  of or relating to one of three or more closely related chemical substances <the gamma chain of hemoglobin> <γ-yohimbine>—used somewhat arbitrarily to specify ordinal relationship or a particular physical form and especially one that is allotropic, isomeric, or stereoisomeric (as in gamma benzene hexachloride)

  2. 2:  third in position in the structure of an organic molecule from a particular group or atom; also :  occurring at or having a structure characterized by such a position <γ-hydroxy acids>

  3. 3of streptococci :  producing no hemolysis on blood agar plates



Variants of gamma

or

γ-



Learn More about gamma

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


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