Pronunciation change

  • IPA (key): /ˈæseɪ/ or /əˈseɪ/
  • (file)

Noun change

Singular
assay

Plural
assays

  1. Assay is the act of determining the proportion of a particular metal in an ore or alloy.

Verb change

Plain form
assay

Third-person singular
assays

Past tense
assayed

Past participle
assayed

Present participle
assaying

  1. (transitive) If you assay something, you analyze or estimate its composition or value.