Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

acetonylidene

noun ac·e·ton·yl·i·dene \ ˌa-sə-tō-ˈni-lə-ˌdēn , ə-ˌse-tə- \

Definition of acetonylidene

plural -s
: the bivalent radical CH3COCH< formed by removal of two hydrogen atoms from the same carbon atom of acetone

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of acetonylidene

acetonyl + -idene

Seen and Heard

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

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

paste

play

to beat or defeat soundly

Get Word of the Day daily email!

TRENDING NOW

  1. ideologue 'an often blindly partisan advocate or adherent of a particular ideology'

  2. socialism 'a way of organizing a society in which major industries are owned and controlled by the government'

  3. uphold 'to let stand'

  4. due process 'a course of formal proceedings (as judicial proceedings)'

  5. asylum 'protection from arrest and extradition given especially to political refugees'

SEE ALL

BROWSE DICTIONARY

acetonylidene

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games