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lemma

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lem⋅ma

1  [lem-uh]
–noun, plural lem⋅mas, lem⋅ma⋅ta  [lem-uh-tuh] .
1. a subsidiary proposition introduced in proving some other proposition; a helping theorem.
2. an argument, theme, or subject, esp. when indicated in a heading.
3. a word or phrase that is glossed; headword.
Use lemma in a Sentence
Origin:
1560–70; < L: theme, title, epigram < Gk lêmma something received, premise, akin to lambánein to take, receive, take for granted
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lem⋅ma

2  [lem-uh]
–noun, plural lem⋅mas. Botany.
a bract in a grass spikelet just below the pistil and stamens.
Origin:
1745–55; < Gk lémma shell, husk, akin to lépein to peel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
Cite This Source Link To lemma
lem·ma 1   (lěm'ə)   
n.   pl. lem·mas or lem·ma·ta (lěm'ə-tə)

  1. A subsidiary proposition assumed to be valid and used to demonstrate a principal proposition.

  2. A theme, argument, or subject indicated in a title.

  3. A word or phrase treated in a glossary or similar listing.


[Latin lēmma, from Greek, from lambanein, to take.]
lem·ma 2   (lěm'ə)   
n.  The outer or lower of the two bracts that enclose the flower in a grass spikelet.

[Greek, husk, from lepein, to peel.]
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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Science Dictionary
lemma   (lěm'ə)  Pronunciation Key 
Plural lemmas or lemmata (lěm'ə-tə)
The outer or lower of the two bracts enclosing one of the flowers within a grass spikelet.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

lemma logic
A result already proved, which is needed in the proof of some further result.
(1995-03-25)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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