ˌān noun suffix
( -s )
Etymology: International Scientific Vocabulary -an, -ane, alteration of -ene, -ine, & -one
1. : -an III 1
ureth ane
2. : saturated or completely hydrogenated carbon compound — in names of hydrocarbons and some parent heterocyclic compounds
meth ane
cholest ane
diox ane
— distinguished from -ene, -yne