chemometrics
/ˌkiːmə(ʊ)ˈmɛtrɪks/ /ˌkɛmə(ʊ)ˈmɛtrɪks/noun
With singular concord: the use of mathematical, statistical, and computational techniques in the optimization of procedures for making chemical measurements and in the analysis of chemical data. Occasionally treated as plural: techniques or algorithms of this kind.
Origin
1970s; earliest use found in Biometrics. From chemo- + -metric, after Swedish kemometri (S. Wold 1971, in a research grant proposal).