-yl Definition
əl
suffix
An organic acid radical.
Carbonyl.
American Heritage
affix
A monovalent hydrocarbon radical.
Ethyl.
Webster's New World
A radical containing oxygen.
Hydroxyl.
Webster's New World
An organic acid radical.
Benzoyl.
Webster's New World
symbol
(metrology) Symbol for the yoctoliter (yoctolitre), an SI unit of fluid measure equal to 10−24 liters (litres).
Wiktionary
(metrology) Symbol for the yottaliter (yottalitre), an SI unit of fluid measure equal to 1024 liters (litres).
Wiktionary