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protoconch

noun
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pro·​to·​conch | \ ˈprōtə+ˌ- \

Definition of protoconch

1 : the embryonic shell of a mollusk (as a univalve)
2 : the apical chamber or whorl of an ammonite or gastropod

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Other Words from protoconch

protoconchal \ ¦⸗⸗+ \ adjective

History and Etymology for protoconch

International Scientific Vocabulary prot- + conch

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Cite this Entry

“Protoconch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protoconch. Accessed 26 Jan. 2021.

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