epoch

/ˈɛpək/ · 2 syllables

Meaning

noun

1. a period marked by distinctive character or reckoned from a fixed point or event
2. (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
3. a unit of geological time that is a subdivision of a period and is itself divided into ages

Synonyms for epoch

• era
• date of reference

Words that rhyme with epoch

• klepac
• lepak