noun (plural lemmas or lemmata /-mətə/)
1A subsidiary or intermediate theorem in an argument or proof: they give every last lemma of neoclassical theory the status of Holy Writ
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.
noun (plural lemmas or lemmata /-mətə/)Botany
The lower bract of the floret of a grass. Compare with palea.
- 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'.