: a space between teeth in a jaw

Word History

Etymology

New Latin, from Late Latin, interval, from Greek diastēma, from diistanai

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of diastema was in 1854

Browse Nearby Words

Cite this Entry

“Diastema.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diastema. Accessed 10 Mar. 2025.

Medical Definition

diastema

noun
plural diastemas or diastemata -mət-ə How to pronounce diastema (audio)
: a space between teeth in a jaw

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