- (in chemistry) indicating a group or radical: methyl, carbonyl
WordReference Random House Unabridged Dictionary of American English © 2026
-yl, [Chem.]
- a suffix used in the names of radicals:ethyl.
- Greek hý̄lē matter, wood, substance
- French -yle
Collins Concise English Dictionary © HarperCollins Publishers::
-yl suffix
'-yl' also found in these entries (note: many are not synonyms or translations):
acetyl
- acrylic
- alkyl
- allyl
- butane
- butyl
- cacodyl
- carboxyl group
- chloroform
- ethane
- ethoxyethane
- ethyl
- formyl
- methadone
- methane
- -oyl
- propyl
- salicylic acid
- toluyl
- trimethadione
- vinyl
- acrylyl
- acyl
- acyl group
- adenylate cyclase
- adenylic acid
- alanyl
- alkane
- alkene
- alkoxide
- alkoxy
- alkyne
- allethrin
- amitriptyline
- amobarbital
- amyl
- amyl acetate
- amyl alcohol
- amyl group
- amyl nitrite
- amyl propionate
- amyl radical
- amyl sulfide
- anisyl acetate
- antimonyl
- arsphenamine
- aryl
- aryl group
- aspartame
- beclomethasone