gamma
[ gam-uh ]
/ ˈgæm ə /
noun
QUIZZES
THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion
Origin of gamma
From the Greek word gámma
Words nearby gamma
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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British Dictionary definitions for gamma (1 of 2)
gamma
/ (ˈɡæmə) /
noun
the third letter in the Greek alphabet (Γ, γ), a consonant, transliterated as g. When double, it is transcribed and pronounced as ng
the third highest grade or mark, as in an examination
a unit of magnetic field strength equal to 10 –5 oersted. 1 gamma is equivalent to 0.795 775 × 10 –3 ampere per metre
photog television the numerical value of the slope of the characteristic curve of a photographic emulsion or television camera; a measure of the contrast reproduced in a photographic or television image
(modifier)
- involving or relating to photons of very high energya gamma detector
- relating to one of two or more allotropes or crystal structures of a solidgamma iron
- relating to one of two or more isomeric forms of a chemical compound, esp one in which a group is attached to the carbon atom next but one to the atom to which the principal group is attached
Word Origin for gamma
C14: from Greek; related to Hebrew gīmel third letter of the Hebrew alphabet (probably: camel)
British Dictionary definitions for gamma (2 of 2)
Gamma
/ (ˈɡæmə) /
noun
(foll by the genitive case of a specified constellation) the third brightest star in a constellationGamma Leonis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for gamma (1 of 2)
gamma
[ găm′ə ]
n.
adj.
Relating to or being the atom or radical group that is in the third position relative to the functional group of atoms in an organic molecule.
Relating to or characterizing a polypeptide chain that is one of five types of heavy chains that may be present in immunoglobins.
Medical definitions for gamma (2 of 2)
γ
The Greek letter gamma. Entries beginning with this character are alphabetized under gamma.
The American Heritage® Stedman's Medical Dictionary
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