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Added 9 October 2026

simultaneity

/ˌsɪməltəˈniːɪti/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about simultaneity at Wordnik → Where our words come from →

Happening or existing or done at the same time.

Origin

From simultane(ous) + -ity. By surface analysis, simult(aneous) + -aneity. Compare French simultanéité.

From Wiktionary, via Kaikki.org (CC BY-SA)

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