diastem
[ dahy-uh-stem ]
nounGeology.
a minor hiatus in an orderly succession of sedimentary rocks.
Origin of diastem
11850–55; <Greek diástēma interval; see diastema
Other words from diastem
- di·a·stem·ic, adjective
- Compare unconformity.
Words Nearby diastem
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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