Standard Lemma guide

gamma

noun · 14 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈɡæ.mə/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -æmə
  • CMU ARPABET: G AE1 M AH0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The letter Ɣɣ, used in the alphabets of several African languages, and in lowercase form in the IPA to represent a voiced velar fricative.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, linguistics, phonetics, phonology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A gamma ray or gamma-ray photon.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The Gamma function, symbolized by Γ.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A constant approximately equal to 0.57721566, symbolized by γ (also known as the Euler–Mascheroni constant).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A non-SI unit of measure of magnetic flux density, equal to 1 nT.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A non-SI unit of measure of mass, equal to 1 microgramme.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Slope of log-log plot of video input and luminance output.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: industries

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Flight path angle; the angle by which an aircraft's flight path deviates from the horizontal plane.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

A second-order measure of derivative price sensitivity, expressed as the rate of change in delta with respect to changes in the underlying asset price.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

Synonym of gamma correction.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computer-graphics, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gamma correction

Antonyms: none provided

12

noun

Meaning 12

the 3rd letter of the Greek alphabet

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: letter, letter of the alphabet, alphabetic character

13

noun

Meaning 13

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)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: da Gamma, Vasco da Gamma

Antonyms: none provided

Broader terms: navigator

14

noun

Meaning 14

a unit of magnetic field strength equal to one-hundred-thousandth of an oersted

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: field strength unit

History

Etymology

Learned borrowing from Ancient Greek γάμμα (gámma). Doublet of gimel.

Across languages

Translations

47 source translations are retained for this English entry.

  • Arabic: غَامَا (ḡāmā) — third letter of the Greek alphabet
  • Arabic: جاما (gaamaa) — third letter of the Greek alphabet
  • Arabic: قاما (gāma) — third letter of the Greek alphabet
  • Asturian: gama — third letter of the Greek alphabet
  • Bulgarian: га́ма (gáma) — third letter of the Greek alphabet
  • Catalan: gamma — third letter of the Greek alphabet
  • Chinese Mandarin: 伽瑪 /伽玛 (gāmǎ) — third letter of the Greek alphabet
  • Chinese Mandarin: 伽馬 /伽马 (gāmǎ) — third letter of the Greek alphabet
  • Czech: gama — third letter of the Greek alphabet
  • Dutch: gamma — third letter of the Greek alphabet
  • Esperanto: gamo — third letter of the Greek alphabet
  • Finnish: gamma — third letter of the Greek alphabet
  • French: gamma — third letter of the Greek alphabet
  • Galician: gamma — third letter of the Greek alphabet
  • German: Gamma — third letter of the Greek alphabet
  • Greek: γάμμα (gámma) — third letter of the Greek alphabet
  • Greek: γάμα (gáma) — third letter of the Greek alphabet
  • Ancient Greek: γάμμα (gámma) — third letter of the Greek alphabet
  • Hebrew: גָּמָא (gáma) — third letter of the Greek alphabet
  • Hungarian: gamma — third letter of the Greek alphabet
  • Interlingua: gamma — third letter of the Greek alphabet
  • Irish: gáma — third letter of the Greek alphabet
  • Italian: gamma — third letter of the Greek alphabet
  • Japanese: ガンマ (gamma) — third letter of the Greek alphabet
  • Korean: 감마 (gamma) — third letter of the Greek alphabet
  • Macedonian: га́ма (gáma) — third letter of the Greek alphabet
  • Malay: gama — third letter of the Greek alphabet
  • Māori: kama — third letter of the Greek alphabet
  • Persian: گاما (gâmâ) — third letter of the Greek alphabet
  • Polish: gamma — third letter of the Greek alphabet
  • Portuguese: gama — third letter of the Greek alphabet
  • Russian: га́мма (gámma) — third letter of the Greek alphabet
  • Serbo-Croatian: га̏ма — third letter of the Greek alphabet
  • Serbo-Croatian: gȁma — third letter of the Greek alphabet
  • Spanish: gamma — third letter of the Greek alphabet
  • Swedish: gamma — third letter of the Greek alphabet
  • Tagalog: gama — third letter of the Greek alphabet
  • Thai: แกมมา (gɛɛm-mâa) — third letter of the Greek alphabet
  • Turkish: gama — third letter of the Greek alphabet
  • Finnish: gammafunktio — math: gamma function — see also gamma function
  • Russian: га́мма-фу́нкция (gámma-fúnkcija) — math: gamma function — see also gamma function
  • Finnish: gamma — math: Euler–Mascheroni constant
  • Portuguese: gama — math: Euler–Mascheroni constant
  • Finnish: gamma — physics: unit of magnetic flux density
  • Greek: γάμμα (gámma) — physics: unit of magnetic flux density
  • Persian: گاما (gâmâ) — physics: unit of magnetic flux density
  • Portuguese: gama — physics: unit of magnetic flux density
Real reading context

gamma in complete knowledge articles