chem. mir aff. a noun suffix used in chemical nomenclature (glycerin; acetin). In spelling, usage wavers between -in and -ine. In chemistry a certain distinction of use is attempted, basic substances having the termination -ine rather than -in (ammine; aniline), and -in being restricted to certain neutral compounds, glycerides, glucosides, and proteids (albumin), but this distinction is not always observed•Etymology: < NL -ina. See -ine II II-in
From formal English to slang. 2014.