lemma

名词 n.
中文释义
英 /ˈlɛmə/    美 /ˈlɛmə/

英文释义

名词 n.
  1. A proposition proved or accepted for immediate use in the proof of some other proposition.
    — "We finally did it, but we found the proof very, very hard," he [Dr. John Conway] said. "I remember my wife and I spending one entire afternoon just working on some tiny little lemmas involved in the proof."
  2. The outer shell of a fruit or similar body.
  3. 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. broadly
  4. One of the specialized bracts around the floret in grasses.
  5. 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.
    — Cat is a lemma, but cats is not.
  6. 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.

词形变化

lemmas plural lemmata plural lemmas plural lemmata plural

词汇关系

近义词
citation form
反义词
non-lemma
衍生词
Bézout's lemma Euclid's lemma five lemma Johnson-Lindenstrauss lemma lemmatize Neyman-Pearson lemma pentalemma pumping lemma Riemann-Lebesgue lemma Sperner's lemma Stein's lemma Teichmüller-Tukey lemma Tukey's lemma Urysohn's lemma Yao's lemma Yoneda lemma Zorn's lemma cytolemma karyolemma myolemma neurilemma neurolemma oolemma plasmalemma sarcolemma
相关词
dilemma lemmatic lemmatical lemmatically Margulis lemma pentalemma sublemma tetralemma trilemma basic form canonical form citation form dictionary form headword infinitive

词源

词源 1
Borrowed from Ancient Greek λῆμμα (lêmma, “premise, assumption”), from the same root as λαμβάνω (lambánō, “to take”).
词源 2
From the Ancient Greek λέμμα (lémma), from λέπω (lépō, “to peel”).
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