Dictionary

-in en · X · etymology 1

Etymology

Etymology tree Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in Clipping of -ine.

Meanings

1. (countable, morpheme, uncountable) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin). ▸ A neutral chemical compound.
   • albumin, casein, chitin, pepsin, saponin
2. (countable, morpheme, uncountable) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin). ▸ An enzyme.
   • renin, pancreatin
3. (countable, morpheme, uncountable) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin). ▸ An antibiotic.
   • penicillin, streptomycin
4. (countable, morpheme, uncountable) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin). ▸ A pharmaceutical product.
   • cobalamin, niacin, vitamin

Forms

-in en · X · etymology 2

Etymology

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

Meanings

1. (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:

Forms

-in en · X · etymology 3

Etymology

Emically usually held to be a clipping of -ing. Etically a prosodically coexistent alternative form thereof in some varieties.

Meanings

1. (alt-of, alternative, dialectal, informal, morpheme) Alternative form of -ing.
   alt of -ing

Forms

-in en · X · etymology 4

Meanings

1. (alt-of, alternative, morpheme) Alternative form of -en.
   alt of -en
   • elf + -in → elfin