“cyclonene”

We have one entry that includes the term cyclonene.

piperonyl cyclonene

noun

: an insecticide containing as its principal components two ketones derived from cyclohexenone and related to piperonyl alcohol and used chiefly as a synergist

See the full definition

Word of the Day

Listen to the pronunciation of penultimate

See Definitions and Examples »

Test Your Vocabulary

Words Named After People Quiz

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

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

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
a group of lemurs
Name That Animal: Volume 2 Can you tell a meerkat from a wombat?
See All