US /əˈfɛmərɑn/ UK /ɪˈfɛmərɒn/
noun

Meanings

  1. 1
    noun

    a short-lived thing, such as a mayfly or transient publication

    The collector prized each ephemeron of forgotten Victorian advertising.

Thesaurus

Synonyms
1 noun · a short-lived thing, such... mayflyephemeratransient
Word family

Etymology

From Ancient Greek ephḗmeron ('something lasting but a day'), neuter of ephḗmeros, from epi- ('on') + hēmera ('day').

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