Lemma (from Ancient Greek ''premise'', ''assumption'', from Greek ''I take'', ''I get'') may refer to:
Language and linguistics
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Lemma (morphology)
In morphology and lexicography, a lemma (: lemmas or lemmata) is the canonical form, dictionary form, or citation form of a set of word forms. In English, for example, ''break'', ''breaks'', ''broke'', ''broken'' and ''breaking'' are forms of th ...
, the canonical, dictionary or citation form of a word
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Lemma (psycholinguistics)
In psychology, a lemma (: lemmas or lemmata) is an abstract conceptual form of a word that has been mentally selected prior to the early stages of speech production. This concept is used to explain how the process of generating speech occurs. In ...
, a mental abstraction of a word about to be uttered
Science and mathematics
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Lemma (botany)
A spikelet, in botany, describes the typical arrangement of the inflorescences of grasses, sedges and some other monocots.
Each spikelet has one or more florets. The spikelets are further grouped into panicles or spikes. The part of the spik ...
, a part of a grass plant
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Lemma (mathematics)
In mathematics and other fields, a lemma (: lemmas or lemmata) is a generally minor, proven Theorem#Terminology, proposition which is used to prove a larger statement. For that reason, it is also known as a "helping theorem" or an "auxiliary theo ...
, a proven proposition used as a step in a larger proof
Other uses
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''Lemma'' (album), by John Zorn (2013)
See also
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Analemma
In astronomy, an analemma (; ) is a diagram showing the position of the Sun in the sky as seen from a fixed location on Earth at the same Solar time#Mean solar time, mean solar time over the course of a year. The change of position is a result ...
, a diagram showing the variation of the position of the Sun in the sky
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Dilemma
A dilemma () is a problem offering two possibilities, neither of which is unambiguously acceptable or preferable. The possibilities are termed the ''horns'' of the dilemma, a clichéd usage, but distinguishing the dilemma from other kinds of p ...
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Lema (disambiguation)
Lema may refer to:
Nature Amphibians
* Lema tree frog, ''Hypsiboas lemai'', a species of frog
*''Centrolene lema'', a synonym for '' Vitreorana gorzulae'', the Bolivar giant glass frog
Insects
*'' Kedestes lema'', the Lema ranger, a butterfly
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Lemmatisation
Lemmatization (or less commonly lemmatisation) in linguistics is the process of grouping together the inflected forms of a word so they can be analysed as a single item, identified by the word's lemma, or dictionary form.
In computational lingui ...
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Neurolemma
Neurilemma (also known as neurolemma, sheath of Schwann, or Schwann's sheath) is the outermost cell nucleus, nucleated cytoplasmic layer of Schwann cells (also called neurilemmocytes) that surrounds the axon of the neuron. It forms the outermost la ...
, part of a neuron
{{Disambiguation