-in meaning: definition, etymology and quotations

-in

suffix

Etymology Clipping of -ine.

› Used, as a modification of -ine, to form the…

Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences Morpheme A neutral chemical compound.

albumin, casein, chitin, pepsin, saponin

Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences Morpheme An enzyme.

renin, pancreatin

Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences Morpheme An antibiotic.

penicillin, streptomycin

Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences Morpheme A pharmaceutical product.

cobalamin, niacin, vitamin

-in

suffix

Etymology From the particle in, modelled after sit-in. Compare -off.

Morpheme Attached to a word (usually a verb) to denote a protest, demonstration or other type of gathering characterized by the activity denoted by the base word.

At Stanford 380 students volunteered to give blood for military and civilian casualties in South Viet Nam: Ohio State held a similar “bleed-in.”1965 November 19, “Universities: The Spectrum on Viet Nam”, in Time, volume 86, number 21, page 67: