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Dictionary Entry

simultaneity

noun

Find the meaning of the word simultaneity, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

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Meaning

Dictionary meaning in a clear, student-friendly format.

The state or fact of two or more things happening or existing at the exact same time.

Example Sentence

The simultaneity of the two events was striking, making it seem like they were planned together.

Usage Note

Used in science, physics, and general discussion to describe events or phenomena that occur at precisely the same moment, highlighting their temporal connection or lack thereof. It helps distinguish between events that are coordinated versus those that are merely coincidental in timing.