əˈseɪ n. & v. --n. 1
the testing of a
metal or
ore to
determine its ingredients
and quality. 2 Chem. etc. the
determination of the content or
strength of a
substance. --v. 1 tr.
make an assay of (a metal or ore). 2 tr. Chem. etc.
perform a
concentration on (a substance). 3 tr.
show (content) on
being assayed. 4 intr. make an assay. 5 tr.
archaic attempt. øAssay
Office an
establishment which awards hallmarks. øøassayer n. [ME f. OF assaier,
assai, var. of essayer, essai: see ESSAY]