Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ethyl

play
noun eth·yl \ˈe-thəl\

Definition of ethyl

  1. :  an alkyl radical CH3CH2− derived from ethane

ethylic

play \e-ˈthi-lik\ adjective


Origin and Etymology of ethyl

German Ethyl (now Äthyl), from Äther ether + -yl


First Known Use: 1838

Rhymes with ethyl


Medical Dictionary

ethyl

play play
noun eth·yl \ˈeth-əl, British also ˈē-ˌthīl\

Medical Definition of ethyl

  1. :  a monovalent hydrocarbon radical C2H5

ethylic

\e-ˈthil-ik\play adjective



Learn More about ethyl

  1. Medical Dictionary: Definition of ethyl Britannica.com: Encyclopedia article about ethyl


Seen and Heard

What made you want to look up ethyl? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize in a loud and angry way

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

philistine lazy frenetic melancholy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ