noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Alternative form of geologic time. alt-of, alternative, uncountable
2. 2
   the time of the physical formation and development of the earth (especially prior to human history) wordnet

Synonyms

All synonyms

age-relatedchronologicchronologicalgeologicgeologic timetemporal

Antonyms

All antonyms

modernmodern agenowpresent time