gamma

 
Pronunciation: /ˈgamə/

noun

  • 1the third letter of the Greek alphabet (Γ, γ), transliterated as ‘g’.
    • The combinations γγ, γκ, and γχ are usually transliterated as ‘ng’, ‘nk’, and ‘nkh’ or ‘nch’
  • [as modifier] denoting the third in a series of items, categories, etc.: the alpha, beta, gamma system of share classification
  • British a third-class mark given for an essay or other piece of work.
  • (Gamma) [followed by Latin genitive] Astronomy the third (usually third-brightest) star in a constellation: Gamma Orionis
  • 2 [as modifier] relating to gamma rays: gamma detector
  • 3 Physics (plural ) a unit of magnetic field strength equal to 10−5 oersted.

Origin:

via Latin from Greek