simultaneous
adjUK /ˌsɪm.əlˈteɪ̯.ni.əs/ · US /ˌsaɪ̯.məlˈteɪ̯.ni.əs/
Etymology From Medieval Latin simultaneus, from simultim (“at the same time, extended”), from Latin simul (“together, at the same time”); compare similar.
1
Happening at the same moment.
- 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.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:
2
Mathematics, Sciences Of a set of equations To be solved for the same values of variables.
- Synonyms
- coincident, coincidental, concomitant, concurrent, homochronous, isochronous, simultaneous, synchronal, synchronical, synchronous
- Antonyms
- sequential, asynchronous, metachronous, antisynchronous, asynchronic, heterochronous, polychronic, uncoincidental, unconcurrent, noncoincident, noncoincidental, nonconcurrent, nonisochronous, nonsimultaneous, nonsynchronous
- Derived terms
- nonsimultaneous, simulcast, simultaneity, simultaneous death, simultaneous equations, simultaneous interpretation, simultaneous interpreting, simultaneously, simultaneousness, unsimultaneous
- Related terms
- simultaneously, simultaneousness, correspondent