-in
a suffix, occurring in adjectives of greek and latin origin, meaning “pertaining to,” and (in nouns thence derived) also imitated in english (coffin; cousin , etc.).
-in2
a noun suffix used in a special manner in chemical and mineralogical nomenclature (glycerin; acetin , etc.). 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 (aconitine; aniline , etc.), and -in being restricted to certain neutral compounds, glycerides, glucosides, and proteids (alb-min; palmitin , etc.), but this distinction is not always observed.
origin
-in3
a suffixal use of the adverb in, extracted from sit-in, forming compound nouns, usually from verbs, referring to organized protests through or in support of the named activity (kneel-in; chain-in; be-in) or, more generally, to any organized social or cultural activity (cook-in; sing-in).
-in
suffix
indicating a neutral organic compound, including proteins, glucosides, and glycerides insulin, digitoxin, tripalmitin
indicating an enzyme in certain nonsystematic names pepsin
indicating a pharmaceutical substance penicillin, riboflavin, aspirin
indicating a chemical substance in certain nonsystematic names coumarin
word origin
-in
suffix attached to a verb originated 1960 with sit-in (which was probably influenced by sit-down strike), used first of protests, extended c.1965 to any gathering.
-in suff.
neutral chemical compound: inulin.
pharmaceutical: rifampin.
antibiotic: penicillin.
antigen: tuberculin.
variant of -ine2.
-in
combining word
a communal occasion where one does what is indicated: be-in/ lie-in/ love-in/ pray-in (1960s+)
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- -ine
a suffix of adjectives of greek or latin origin, meaning “of or pertaining to,” “of the nature of,” “made of,” “like”: asinine; crystalline; equine; marine. -ine2 a suffix, of no -ssignable meaning, appearing in nouns of greek, latin, or french origin: doctrine; famine; routine. a noun suffix used particularly in chemical terms (bromine; chlorine), and […]
- -ing
a suffix of nouns formed from verbs, expressing the action of the verb or its result, product, material, etc. (the art of building; a new building; cotton wadding). it is also used to form nouns from words other than verbs (offing; shirting). verbal nouns ending in -ing are often used attributively (the printing trade) and […]
- -ino
-ino related terms -erino
- -ion
a suffix, appearing in words of latin origin, denoting action or condition, used in latin and in english to form nouns from stems of latin adjectives (communion; union), verbs (legion; opinion), and especially past participles (allusion; creation; fusion; notion; torsion). -ion suffix indicating an action, process, or state creation, objection compare -ation, -tion word origin