_ə̇l, ˌil, -ˌēl, ( when t, d, or n precedes ) _ ə l; chiefly Brit ˌīl noun combining form
( -s )
Etymology: Greek hylē wood, matter; first used in German benzoyl, literally, fundamental material of benzoic acid, from benz- + Greek hylē — more at hyle
: chemical radical: as
a. : univalent radical
eth yl
pyrid yl
hydrox yl
b. : radical containing oxygen
carbon yl
chrom yl
including a few radicals of organic acids
acet yl
glyc yl
succin yl
— compare -oyl