Main definitions of reassay in English

: reassay1reassay2

reassay1

Pronunciation /ˌriːˈaseɪ/

noun

  • The action of reassay ; an instance of this, a second or subsequent assay.

Origin

Mid 18th century; earliest use found in Acts of Assembly, Island Jamaica. Either from re- + assay, or directly from reassay.

Main definitions of reassay in English

: reassay1reassay2

reassay2

Pronunciation /ˌriːəˈseɪ/ /ˌriːˈaseɪ/

verb

  • 1To retest the purity of (a metal or ore).

  • 2To perform a second or subsequent biochemical, physiological, or immunological assay of (a sample) to assess the strength or activity of a biologically active substance.

Origin

Late 16th century (in an earlier sense). From re- + assay.