Simultaneous

Pronunciation

• UK IPA: /sɪm.É™lˈteɪ̯n.i.É™s/
• US IPA: /ËŒsaɪ̯m.É™lˈteɪ̯n.i.É™s/
• Rhymes: -eɪniÉ™s
• Rhymes: -eɪnɪəs

Origin

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

Full definition of simultaneous

Adjective

1. Occurring or transpiring at the same time.
• Schuster Hepaticae V|3-4As 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.

Derived terms

• simultaneously
• simultaneity