blastocoel

noun

blas·to·coel ˈbla-stə-ˌsēl

variants or blastocoele

: the fluid-filled cavity of a blastula see blastula illustration

blastocoelic

ˌbla-stə-ˈsē-lik

adjective

Word History

Etymology

blasto- + -coel

First Known Use

1875, in the meaning defined above

Time Traveler

The first known use of blastocoel was in 1875

See more words from the same year

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Style

“Blastocoel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastocoel. Accessed 19 Jun. 2025.

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Medical Definition

blastocoel

noun

blas·to·coel

variants or blastocoele

ˈblas-tə-ˌsēl

: the cavity of a blastula

called also segmentation cavity

blastocoelic

ˌblas-tə-ˈsē-lik

adjective

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blastocoel

noun

Word History

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Cite this Entry

Medical Definition

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