geological timescale

noun

any division of geological time into chronological units, whether relative (with units in the correct temporal sequence) or absolute (with numerical ages attached)

Nearby words

geolocation, geologic, geologic time, geological cycle, geological survey, geological timescale, geologist, geologize, geology, geom., geomagnetic

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012