noun
Meaning 1
The measure of time by a physical clock with zero peculiar velocity in the absence of matter overdensities or underdensities; commonly used in the Big Bang models of physical cosmology.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: astronomy, cosmology, natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided