noun (plural lemmas or lemmata /ˈlemətə/)
- 1A subsidiary or intermediate theorem in an argument or proof.More example sentences
- It takes a long series of lemmas to show how powerful the primitive recursive functions are.
- To state the lemma, we need to make one more definition concerning functors.
- The fundamental lemma of the calculus of variations is named after him.
- 2A heading indicating the subject or argument of a literary composition, an annotation, or a dictionary entry.More example sentences
- The lemma is always followed by an analysis of the text.
late 16th century: via Latin from Greek lēmma 'something assumed'; derived from lambanein 'take'.
noun (plural lemmas or lemmata)Botany
- The lower bract of the floret of a grass. Compare with palea.More example sentences
- On the day before florets opened, the third florets from the top of the first branches were fixed in FAA after removing the lemmas.
- Two leafy organs protect the floret of grasses, the lemma, and the palea, and both are considered to represent reduced vegetative leaves.
- In the basal part of the floret, the mRNA label was very strong in the two distinctive bracts, lemma and palea, as well as in the base of the two lodicules and the pistil complex.
mid 18th century (denoting the husk or shell of a fruit): from Greek, from lepein 'to peel'.