-IN


Meaning of -IN in English

I. ə̇n, ə n, ˌin noun suffix

( -s )

Etymology: French -ine, from Latin -ina (with long ī ), feminine of -inus (with long ī ) of or belonging to — more at -ine

1.

a. : neutral chemical compound or compound not distinctly basic or acidic

picrotox in

hematoporphyr in

— especially in names of glycerides

acet in

stear in

glycosides

amygdal in

quercitr in

proteins

gelat in

insul in

and 6-membered heterocyclic compounds

diox in

— usually distinguished from -ine

b. : enzyme

emuls in

myros in

— compare -ase

c. : antibiotic

penicill in

streptomyc in

2. : -ine II 2a, 2b — not used systematically

3. : pharmaceutical product

niac in

aspir in

II. ˌin noun combining form

( -s )

Etymology: in (II) (as in sit-in )

1. : organized public protest by means of or in favor of : demonstration

teach -in

love -in

2. : public group activity

swim -in

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.