assay

nouns

an appraisal of the state of affairs
"they made an assay of the contents"; "a check on its dependability under stress"
assay, check
a substance that is undergoing an analysis of its components
assay
is a type of (narrower)
a particular kind or species of matter with uniform properties
"shigella is one of the most toxic substances known to man"
substance
a written report of the results of an analysis of the composition of some substance
assay
is a type of (narrower)
a written document describing the findings of some individual or group
"this accords with the recent study by Hill and Dale"
report, study, written report
a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.
assay
is a type of (narrower)
the act of testing something
"in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"
run, test, trial

verbs

analyze (chemical substances)
assay
is derived from
assayer
is a type of (narrower)
consider in detail and subject to an analysis in order to discover essential features or meaning
"analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives"
analyse, analyze, canvas, canvass, examine, study
make an effort or attempt
"He tried to shake off his fears"; "The infant had essayed a few wobbly steps"; "The police attempted to stop the thief"; "He sought to improve himself"; "She always seeks to do good in the world"
assay, attempt, essay, seek, try