Dictionary
1-in
noun suffix
Definition of -IN
1
a : neutral chemical compound <insulin> b : enzyme <pancreatin> c : antibiotic <penicillin>
2
: 2-ine 1a, b <epinephrin>
3
: pharmaceutical product <niacin>
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Origin of -IN
French -ine, from Latin -īna, feminine of -īnus of or belonging to — more at -en
2-in
noun combining form
Definition of -IN
: organized public protest by means of or in favor of : demonstration <teach-in> <love-in>
Origin of -IN
sit-in
Medical Dictionary
-in
noun suffix \ən, ən, ˌin\
Medical Definition of -IN
1
a : neutral chemical compound <insulin> b : enzyme <pancreatin> c : antibiotic <penicillin>
2
: pharmaceutical product <niacin>
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