[ dahy-uh-stem ]
/ ˈdaɪ əˌstɛm /
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a minor hiatus in an orderly succession of sedimentary rocks.
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Origin of diastem
1850–55; <Greek diástēma interval; see diastema
OTHER WORDS FROM diastemdi·a·stem·ic, adjective
Words nearby diastem
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021