Meaning & use
geologic
Last updated
relating to geology or the physical structure and history of the earth.
See it in a sentence
The canyon's layered walls reveal millions of years of geologic history.
Scientists measured the site's geologic age using radioactive dating methods.
A note on using this word
'Geologic' and 'geological' are interchangeable, but 'geologic' is especially common in set phrases like 'geologic time' and 'geologic record.'
Words with a similar meaning
geological
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