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simultaneous - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From Medieval Latin simultaneus, from simultim (at the same time, extended), from Latin simul (together, at the same time); compare similar.

  • (UK) IPA(key): /ˌsɪm.əlˈteɪ̯.ni.əs/, /ˌsɪm.əlˈteɪ̯.njəs/
  • (US) IPA(key): /ˌsaɪ̯.məlˈteɪ̯.ni.əs/, /ˌsaɪ̯.məlˈteɪ̯.njəs/
  • Rhymes: -eɪniəs, -eɪnɪəs

simultaneous (not comparable)

  1. Happening at the same moment.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, pages 3-4:

      As with the Lejeuneaceae, this pattern of massive speciation appears to be correlated with the Cretaceous explosion of the angiosperms and the simultaneous creation of a host of new microenvironments, differing in humidity, light intensity, texture, etc.

  2. (mathematics, of a set of equations) To be solved for the same values of variables.

occurring at the same time