lemma

n. 辅助定理, 论点, 引理 [医] 膜, 衣

发音

US /ˈlɛmə/
UK /ˈlɛmə/
其它 /ˈlɪmə/

词形变化

lemmas 复数 lemmata 复数

释义与例句

n.
  1. 1.

    A proposition proved or accepted for immediate use in the proof of some other proposition.

    引理

    数学
  2. 2.

    A proposition proved or accepted for immediate use in the proof of some other proposition.

    A proposition originally used for such a purpose, but having later acquired a greater, independent, importance; a fundamental (often pithy) and widely-used result.

    数学 引申义
  3. 3.

    The canonical form of an inflected word; i.e., the form usually found as the headword in a dictionary, such as the nominative singular of a noun, the bare infinitive of a verb, etc.

    词目

    字词

    词条

    词元

    语言学

    Holonym: lexeme (holonymous sense)

    For quotations using this term, see Citations:lemma.

  4. 4.

    The theoretical abstract conceptual form of a word, representing a specific meaning, before the creation of a specific phonological form as the sounds of a lexeme, which may find representation in a specific written form as a dictionary or lexicographic word.

    语言学 心理学
  5. 1.

    The outer shell of a fruit or similar body.

    生物 植物学
  6. 2.

    One of the specialized bracts around the floret in grasses.

    生物 植物学

词汇关系

名词

上位词 5

head heading proposition header glume

相关短语

five lemma Yoneda lemma 米田引理 Zorn's lemma pumping lemma Neyman-Pearson lemma Riemann-Lebesgue lemma Sperner's lemma Euclid's lemma Tukey's lemma Teichmüller-Tukey lemma Bézout's lemma Margulis lemma Urysohn's lemma Yao's lemma Stein's lemma

词源

From Ancient Greek λῆμμα (lêmma, “premise, assumption”), from the same root as λαμβάνω (lambánō, “to take”).

来源：wiktionary