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lemma1

[lem-uh] /ˈlɛm ə/
noun, plural lemmas, lemmata
[lem-uh-tuh] /ˈlɛm ə tə/ (Show IPA)
1.
a subsidiary proposition introduced in proving some other proposition; a helping theorem.
2.
an argument, theme, or subject, especially when indicated in a heading.
3.
a word or phrase that is glossed; headword.
Origin
1560-1570
1560-70; < Latin: theme, title, epigram < Greek lêmma something received, premise, akin to lambánein to take, receive, take for granted

lemma2

[lem-uh] /ˈlɛm ə/
noun, plural lemmas. Botany
1.
a bract in a grass spikelet just below the pistil and stamens.
Origin
1745-55; < Greek lémma shell, husk, akin to lépein to peel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for lemma
  • Di-lemma is a double lemma, or two-edged sword which strikes either way.
  • The lowest lemma is smooth toward the base and slightly rough toward the tip.
  • lemma narrow, gradually tapering to a point and awned from a bifid apex.
  • This lemma is sometimes called the product rule for probabilities.
British Dictionary definitions for lemma

lemma1

/ˈlɛmə/
noun (pl) -mas, -mata (-mətə)
1.
a subsidiary proposition, proved for use in the proof of another proposition
2.
(linguistics) a word considered as its citation form together with all the inflected forms. For example, the lemma go consists of go together with goes, going, went, and gone
3.
an argument or theme, esp when used as the subject or title of a composition
Word Origin
C16 (meaning: proposition), C17 (meaning: title, theme): via Latin from Greek: premise, from lambanein to take (for granted)

lemma2

/ˈlɛmə/
noun (pl) -mas, -mata (-mətə)
1.
the outer of two bracts surrounding each floret in a grass spikelet Compare palea
Word Origin
C19: from Greek: rind, from lepein to peel
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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Word Origin and History for lemma
lemma
1560s, first in mathematics, from Gk. lemma (pl. lemmata) "something received or taken; an argument; something taken for granted," from root of lambanein "to take" (see analemma).
Online Etymology Dictionary, © 2010 Douglas Harper
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lemma in Science
lemma
  (lěm'ə)   
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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lemma in Technology

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, © Denis Howe 2010 http://foldoc.org
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Difficulty index for lemma

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Word Value for lemma

9
12
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