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gomphosis

[ gom-foh-sis ]
/ gɒmˈfoʊ sɪs /
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noun, plural gom·pho·ses [gom-foh-seez]. /gɒmˈfoʊ siz/. Anatomy.
an immovable articulation in which one bone or part is received in a cavity in another, as a tooth in its socket.
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Origin of gomphosis

1570–80; <New Latin <Greek gomphō-, verbid stem of gomphoûn to bolt together (derivative of gómphos bolt, nail) + New Latin -sis-sis; see -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for gomphosis

gomphosis
/ (ɡɒmˈfəʊsɪs) /

noun plural -ses (-siːz)
anatomy a form of immovable articulation in which a peglike part fits into a cavity, as in the setting of a tooth in its socket

Word Origin for gomphosis

C16: from New Latin, from Greek gomphoein to bolt together, from gomphos tooth, peg
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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