Crossword Clue:

CHRONON a hypothetical unit of time

AnswerCrossword Clue
ANOSpanish unit of time with a tilde
WARPSHypothetical eccentricities in time
ISSUEUnit of Time
EONUnit of time
ERAUnit of geologic time
BELLUnit of nautical time
NSECTiny unit of time: Abbr.