- complementation - the grammatical relation of a word or phrase to a predicate
--1 is a kind of grammatical relation
- complementary distribution, complementation - (linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts
--2 is a kind of distribution, dispersion
- complementary distribution, complementation - (linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts