flatworm

[ flat-wurm ]

/ ˈflætˌwɜrm /

noun

any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth.

Origin of flatworm

First recorded in 1895–1900; flat¹ + worm

Words nearby flatworm

flatways, flat white, flatwise, flatwoods, flatwork, flatworm, flat-woven, Flaubert, Flaubert, Gustave, flaunch, flaunt

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

Example sentences from the Web for flatworm

Such is seen in the life history of the liver fluke, a flatworm which kills sheep, and in the tapeworm.
A Civic Biology|George William Hunter
If a flatworm be cut in two, the front piece grows out a new tail, the hind piece a new head, and two perfect worms result.
Biology|Edmund Beecher Wilson
The parasite that's doing the damage is a flatworm, a trematode called Hepatodirus hominis.
The Lani People|J. F. Bone

British Dictionary definitions for flatworm

flatworm

/ (ˈflætˌwɜːm) /

noun

any parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestine

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

Medical definitions for flatworm

flatworm

[ flăt′wûrm′ ]

n.

Any of various worms of the phylum Platyhelminthes, including the parasitic tapeworms and flukes, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity.platyhelminth

Scientific definitions for flatworm

flatworm

[ flăt′wûrm′ ]

Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, characteristically having a soft, flat, bilaterally symmetrical body. Flatworms lack a coelom (body cavity), respiratory system, and circulatory system, but are the most primitive invertebrates to have a brain. The evolutionary history of flatworms is uncertain, but they share some basic characteristics with rotifers, nematodes, and a few other invertebrate phyla. Cestodes (tapeworms), planarians, and trematodes (flukes) are flatworms.

单词	flatworm
释义	flatworm [ flat-wurm ] / ˈflætˌwɜrm / noun any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth. Origin of flatworm First recorded in 1895–1900; flat¹ + worm Words nearby flatworm flatways, flat white, flatwise, flatwoods, flatwork, flatworm, flat-woven, Flaubert, Flaubert, Gustave, flaunch, flaunt Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for flatworm Such is seen in the life history of the liver fluke, a flatworm which kills sheep, and in the tapeworm. A Civic Biology\|George William Hunter If a flatworm be cut in two, the front piece grows out a new tail, the hind piece a new head, and two perfect worms result. Biology\|Edmund Beecher Wilson The parasite that's doing the damage is a flatworm, a trematode called Hepatodirus hominis. The Lani People\|J. F. Bone British Dictionary definitions for flatworm flatworm / (ˈflætˌwɜːm) / noun any parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestine 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 Medical definitions for flatworm flatworm [ flăt′wûrm′ ] n. Any of various worms of the phylum Platyhelminthes, including the parasitic tapeworms and flukes, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity.platyhelminth The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for flatworm flatworm [ flăt′wûrm′ ] Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, characteristically having a soft, flat, bilaterally symmetrical body. Flatworms lack a coelom (body cavity), respiratory system, and circulatory system, but are the most primitive invertebrates to have a brain. The evolutionary history of flatworms is uncertain, but they share some basic characteristics with rotifers, nematodes, and a few other invertebrate phyla. Cestodes (tapeworms), planarians, and trematodes (flukes) are flatworms. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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