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[thal-uh-fahyt] /ˈθæl əˌfaɪt/
any of the Thallophyta, a plant division in some older classification schemes, comprising algae, fungi, and lichens.
Origin of thallophyte
First recorded in 1850-55, thallophyte is from the New Latin word Thallophyta group name. See thallus, -o-, -phyte
Related forms
[thal-uh-fit-ik] /ˌθæl əˈfɪt ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for thallophyte
Historical Examples
  • The vegetative body of a thallophyte is a thallus, and corresponds to stem and leaf.

    The Sea-beach at Ebb-tide Augusta Foote Arnold
British Dictionary definitions for thallophyte


(obsolete) any organism of the former division Thallophyta, lacking true stems, leaves, and roots: includes the algae, fungi, lichens, and bacteria, all now regarded as separate phyla
Derived Forms
thallophytic (ˌθæləˈfɪtɪk) adjective
Word Origin
C19: from New Latin thallophyta, from Greek thallos a young shoot + phuton a plant
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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thallophyte in Science
Any of a former group of plantlike organisms showing no differentiation into stem, root, or leaf. Thallophytes were regarded as constituting a major division of the plant kingdom and included the algae, fungi, and lichens. No longer in scientific use.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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