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holothurian

[ hol-uh-thoor-ee-uhn, hoh-luh- ]
/ ˌhɒl əˈθʊər i ən, ˌhoʊ lə- /

noun

any echinoderm of the class Holothuroidea, comprising the sea cucumbers.

adjective

belonging or pertaining to the Holothuroidea.

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Also hol·o·thu·ri·oid [hol-uh-thoor-ee-oid]. /ˌhɒl əˈθʊər iˌɔɪd/.

Origin of holothurian

1835–45; <New Latin Holothuri(a) genus name (plural of Latin holothūrium<Greek holothoúrion kind of zoophyte, equivalent to holo-holo- + -thourion< ?) + -an

Words nearby holothurian

holopneustic, holoprosencephaly, holorachischisis, holosericeous, holosystolic, holothurian, holotype, holozoic, holp, holpen, hols
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for holothurian

British Dictionary definitions for holothurian

holothurian
/ (ˌhɒləˈθjʊərɪən) /

noun

any echinoderm of the class Holothuroidea, including the sea cucumbers, having a leathery elongated body with a ring of tentacles around the mouth

adjective

of, relating to, or belonging to the Holothuroidea

Word Origin for holothurian

C19: from New Latin Holothūria name of type genus, from Latin: water polyp, from Greek holothourion, of obscure origin
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

Scientific definitions for holothurian

holothurian
[ hŏl′ə-thur′ē-ən, hō′lə- ]

Any of various echinoderms of the class Holothuroidea, characterized by elongated bodies with tentacles around the mouth and five rows of tube feet. Holothurians are softer than other echinoderms because they lack spines and the skeleton is greatly reduced. Holothurians can extrude their internal organs to distract predators and grow a new set within a few weeks. Also called sea cucumber
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.