prostomium

[ proh-stoh-mee-uhm ]

/ proʊˈstoʊ mi əm /

noun, plural pro·sto·mi·a [proh-stoh-mee-uh]. /proʊˈstoʊ mi ə/.

the unsegmented, preoral portion of the head of certain lower invertebrates.

Origin of prostomium

1865–70; <New Latin <Greek prostómion mouth. See pro-², stoma, -ium

OTHER WORDS FROM prostomium

pro·sto·mi·al, adjective

Words nearby prostomium

prostie, Prostigmin, prostitute, prostitution, prostomiate, prostomium, prostoon, prostrate, prostration, prostyle, prosumer

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for prostomium

Prostomium: The region in front of the mouth; the preoral part of the head.
The Sea-beach at Ebb-tide|Augusta Foote Arnold
Prostomium wider than long, deeply bilobed, the median tentacle inserted deeply in the intervening incision.
Journal of Entomology and Zoology, Vol. 11. No. 1.|Various
Prostomium of usual general form; consisting of fourteen or fifteen rings.
Journal of Entomology and Zoology, Vol. 11. No. 1.|Various
Prostomium with a lateral process or horn on each side in front, notched in front at middle.
Journal of Entomology and Zoology, Vol. 11. No. 1.|Various

Prostomium generally small, sometimes prolonged, but never bearing tentacles or processes.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7|Various

British Dictionary definitions for prostomium

prostomium

/ (prəʊˈstəʊmɪəm) /

noun plural -mia (-mɪə)

the lobe at the head end of earthworms and other annelids: bears tentacles, palps, etc, or forms part of a sucker or proboscis

Derived forms of prostomium

prostomial, adjective

Word Origin for prostomium

via New Latin from Greek prostomion mouth

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

单词	prostomium
释义	prostomium [ proh-stoh-mee-uhm ] / proʊˈstoʊ mi əm / noun, plural pro·sto·mi·a [proh-stoh-mee-uh]. /proʊˈstoʊ mi ə/. the unsegmented, preoral portion of the head of certain lower invertebrates. Origin of prostomium 1865–70; <New Latin <Greek prostómion mouth. See pro-², stoma, -ium OTHER WORDS FROM prostomium pro·sto·mi·al, adjective Words nearby prostomium prostie, Prostigmin, prostitute, prostitution, prostomiate, prostomium, prostoon, prostrate, prostration, prostyle, prosumer Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for prostomium Prostomium: The region in front of the mouth; the preoral part of the head. The Sea-beach at Ebb-tide\|Augusta Foote Arnold Prostomium wider than long, deeply bilobed, the median tentacle inserted deeply in the intervening incision. Journal of Entomology and Zoology, Vol. 11. No. 1.\|Various Prostomium of usual general form; consisting of fourteen or fifteen rings. Journal of Entomology and Zoology, Vol. 11. No. 1.\|Various Prostomium with a lateral process or horn on each side in front, notched in front at middle. Journal of Entomology and Zoology, Vol. 11. No. 1.\|Various Prostomium generally small, sometimes prolonged, but never bearing tentacles or processes. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7\|Various British Dictionary definitions for prostomium prostomium / (prəʊˈstəʊmɪəm) / noun plural -mia (-mɪə) the lobe at the head end of earthworms and other annelids: bears tentacles, palps, etc, or forms part of a sucker or proboscis Derived forms of prostomium prostomial, adjective Word Origin for prostomium via New Latin from Greek prostomion mouth 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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