Linguistics term referring to the number of arguments a predicate can take. Used in technical contexts such as syntax and semantics.
The valency of a verb indicates the number of arguments it takes.
結合価の概念は、言語学の統語論でよく使われる。
The concept of valency is often used in syntactic theory in linguistics.
結合 (combination) + 価 (value). A calque from the English linguistic term 'valence/valency'.