検索結果- 英語 - 多言語
検索内容:
au pair
A single girl (or, rarely, a boy), usually a foreigner, who helps a host family with childcare, housework, or both while staying as a guest with a host family, and generally receives a small allowance (or pocket money).
linear pair
(geometry) The two supplementary adjacent angles formed by two intersecting lines
lone pair
(chemistry) A pair of electrons in the valence shell of an atom that does not participate in bonding.
minimal pair
(phonology) A pair of words differing by only one phonetic segment or suprasegment, used to prove the validity of a proposed phoneme, toneme, or chroneme.
pair bond
A relationship, often permanent, formed between a male and female animal; initiated during courtship and maintained after mating.
Cooper pair
(physics) A pair of electrons (or other fermions), of opposite spin, whose theorised behaviour is the basis of the BCS theory of superconductivity.
inversion pair
(mathematics) a pair of integers (i,j) is an inversion pair of some permutation 𝜎 if i𝜎(j).
pair production
(physics) The simultaneous creation of a particle and its antiparticle.
kernel pair
(category theory) A couple of morphisms which constitute the pullback of a given morphism along itself.