mega-annum

Fetched 2026-10-26 (cache).

Synonyms: giga-annum

Antonyms: giga-annum

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q20764}} {{synonym of|en|megayear<id:Q20764>}}: a [[period]] of 1 [[million]] [[year]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.