valency - definition and synonyms

noun [countable] 

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/ˈveɪlənsi/
singularvalency
pluralvalencies
  1. 1
    chemistry a measurement of the ability of a chemical element to combine with other elements. The measurement is a number that shows how many atoms of the element combine with a single atom of the element hydrogen.
  2. 2
    linguistics all the phrases and clauses that typically follow a verb. For example, the valency of a linking verb like ‘be’ typically involves a noun group, an adjective group, or a prepositional phrases such as ‘in a muddle’ in the sentence ‘Oh dear, you are in a muddle, aren’t you?’