Gamma-ray burst

a short-lived, extremely luminous burst of gamma radiation from an unknown astronomical source, occurring at random positions in the sky several times a day.
Abbreviation: GRB.
(astronomy) an intense but short-lived burst of gamma rays from an unknown celestial source. First detected in 1970, they have since been found to be widely distributed in the sky


Read Also:

  • Gamma stock

    noun 1. any of the third rank of active securities on the London Stock Exchange. Prices displayed by market makers are given as an indication rather than an offer to buy or sell

  • Gammat

    /xamat/ noun 1. (South African, derogatory) a reference to the accent of Cape Coloured people

  • Gammed

    [gam] /gæm/ noun 1. a herd or school of whales. 2. Eastern New England, Nautical. a social meeting, visit, or the like, as between whaling vessels at sea. verb (used without object), gammed, gamming. 3. (of whales) to assemble into a herd or school. 4. Nautical. (of the officers and crews of two whaling vessels) […]

  • Gammer

    [gam-er] /ˈgæm ər/ noun, British Archaic. 1. an old woman. /ˈɡæmə/ noun 1. (rare, mainly Brit) a dialect word for an old woman: now chiefly humorous or contemptuous Compare gaffer (sense 1) n. “old woman,” 1570s, contraction of grandmother (cf. gaffer).
