an assay is a form of:

Technology



noun
1.
(A teats of the arts, explanation term of arts, a study or science of the practical of the industrial art applied science, technical terminology) តិកណូឡូស៊ី (បច្ចេកវិជ្ជា, វិទ្យាសាស្ដ្របច្ចេកទេស)
2.
(បច្ចេកវិទ្យា​និង​វិទ្យាសាស្ត្រ) បច្ចេកវិទ្យា, បច្ចេកសាស្រ្ត
ENGLISH MEANING
noun
1.
Industrial science; the science of systematic knowledge of the industrial arts, especially of the more important manufactures, as spinning, weaving, metallurgy, etc.