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thallus

 - 4 dictionary results

thal⋅lus

  [thal-uhs]
Use thallus in a Sentence
–noun, plural thal⋅li  [thal-ahy] , thal⋅lus⋅es. Botany, Mycology.
a simple vegetative body undifferentiated into true leaves, stem, and root, ranging from an aggregation of filaments to a complex plantlike form.
Origin:
1820–30; < NL < Gk thallós young shoot, twig
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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thal·lus   (thāl'əs)   
n.   pl. thal·li (thāl'ī) or thal·lus·es
A plant body undifferentiated into stem, root, or leaf.

[Latin, green stalk, from Greek thallos, from thallein, to sprout.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: thal·lus
Pronunciation: 'thal-&s
Function: noun
Inflected Form: plural thal·li /'thal-"I, -"E/ or thal·lus·es
: a plant body that is characteristic of thallophytes, lacks differentiation into distinct members (as stem, leaves, and roots), and does not grow from anapical point
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

thallus thal·lus (thāl'əs)
n. pl. thal·lus·es or thal·li (thāl'ī)
A plant body or fungus undifferentiated into stem, root, or leaf.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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