third-order reaction

noun

: a chemical reaction in which the rate of reaction is proportional to the concentration of each of three reacting molecules compare order of a reaction

Word History

Etymology

third-order from the phrase third order

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!

Dictionary Entries Near third-order reaction

Cite this Entry

“Third-order reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third-order%20reaction. Accessed 29 Mar. 2023.

Love words? Need even more definitions?

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


Love It or Hate It

  • heart-fire
  • When asked about her blind date, Carol spoke for hours with vitriol.
Name That Thing

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

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

Can you make 12 words with 7 letters?

PLAY