Meaning of -AN in English

-AN

I. noun suffix

or -ian also -ean

( -s )

Etymology: -an & -ian from Middle English -an, -ian, -ien, from Old French & Latin; Old French -ien, from Latin -ianus, from -i- + -anus, from -anus, adjective suffix; -ean from such words as Mediterranean, European

1. : one that is of or belonging to

Americ an

Boston ian

2. : one skilled in or specializing in — especially in derivatives from nouns ending in -ic or -ics, in the latter case with loss of -s

dialectic ian

phonetic ian

statistic ian

3. : one belonging to a (specified) zoological group

crustace an

mammali an

crocodili an

II. adjective suffix

or -ian also -ean

Etymology: -an & -ian from Middle English -an, -ian, -ien, from Old French & Latin; Old French -ien, from Latin -ianus, from -i- + -anus; -ean from such words as Mediterranean, European

1. : of or belonging to

Americ an

Florid ian

Wesley an

2. : characteristic of : resembling

Mozart ean

Shav ian

3. : of or belonging to a (specified) geologic period, epoch, or series

Cambri an

III. noun suffix

( -s )

Etymology: International Scientific Vocabulary -an, -ane, alteration of -ene, -ine, & -one

1. : unsaturated carbon compound

tol an C 6 H 5 C≡CC 6 H 5

ureth an

— especially in names of heterocyclic compounds

fur an

allox an

— compare -ane

2.

a. : anhydride representing a polymer of a carbohydrate — usually replacing final -ose of the carbohydrate name

xyl an

dextr an

less often replacing final -e

pentos an

b. : intramolecular anhydride of a carbohydrate — replacing final -e of the carbohydrate name

β-glucos an

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