gamma (redirected from gamma-aminobutyric acid (GABA))

gam·ma  (gm)

n.

1. The third letter of the Greek alphabet. See Table at alphabet.

2. The third item in a series or system of classification.

3. A unit of magnetic intensity equal to one hundred thousandth (10^-5) of an oersted.

4. A unit of mass equal to one millionth (10^-6) of a gram.

5. Chemistry The third position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.

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[Middle English, from Greek, of Phoenician origin; see gml² in Semitic roots.]

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gamma [ˈgæmə]

n

1. (Linguistics / Letters of the Alphabet (Foreign)) the third letter in the Greek alphabet (Γ, γ), a consonant, transliterated as g. When double, it is transcribed and pronounced as ng

2. (Social Science / Education) the third highest grade or mark, as in an examination

3. (Mathematics & Measurements / Units) a unit of magnetic field strength equal to 10^-5 oersted. 1 gamma is equivalent to 0.795 775 ✕ 10^-3 ampere per metre

4. (Miscellaneous Technologies / Photography) (Electronics) 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

5. (modifier)

a.  (Physics / Atomic Physics) involving or relating to photons of very high energy a gamma detector

b.  (Chemistry) relating to one of two or more allotropes or crystal structures of a solid gamma iron

c.  (Chemistry) 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

[from Greek; related to Hebrew gīmel third letter of the Hebrew alphabet (probably: camel)]

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Gamma [ˈgæmə]

n

(Astronomy) (foll by the genitive case of a specified constellation) the third brightest star in a constellation Gamma Leonis

Thesaurus

Noun	1.	gamma - the 3rd letter of the Greek alphabet Greek alphabet - the alphabet used by ancient Greeks alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
	2.	gamma - a unit of magnetic field strength equal to one-hundred-thousandth of an oersted field strength unit - an electromagnetic unit of magnetic intensity oersted - the magnetic field strength 1 cm from a unit magnetic pole
	3.	Gamma - Portuguese navigator who led an expedition around the Cape of Good Hope in 1497; he sighted and named Natal on Christmas Day before crossing the Indian Ocean (1469-1524) da Gamma, Vasco da Gamma

Translations

gamma [ˈgæmə]

A. N → gamma f

B. CPD gamma radiation N → radiación f gamma
gamma ray N → rayo m gamma

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gamma [ˈgæmə] n → gamma m
gamma rays npl → rayons mpl gamma

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gamma:

gamma radiation

n → Gammastrahlung f

gamma ray

n → Gammastrahl m

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gamma [ˈgæmə] n → gamma m or f

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gamma [ˈgæmə] n → gamma m or f

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gamma [ˈgӕmə]

a powerful form of radiation. gamma أشِعَّة جَمّا вид радиационни лъчи záření gama gamma das Gamma, Gamma-... ακτίνες γάμα gama, rayos gama gammakiired گاما gammasäteily rayons gamma קֶרֶן גָאמָה एक शक्तिशाली रेडियोधर्मी विकिरण gama zrake gamma-sugárzás sinar gamma gammageislar raggi gamma ガンマ線 감마선 gama spinduliai gamma stari gama gamma- gammastråler promienie gamma gama raze gama гамма-лучи gama lúče gama žarki gama gamma: gammastrålar รังสีแกมมา gama ışınları 伽瑪射線 гамма-проміння بہت تیز برقناطیسی اشعاع tia gama 伽马