cocatalyst

noun

co·cat·a·lyst ˌkō-ˈka-tə-ləst

variants or co-catalyst

plural cocatalysts or co-catalysts

: a substance or agent that brings about catalysis in conjunction with one or more others

Platina nanoparticles can serve as a co-catalyst in the reactions with electrons …—

Science Daily

Word History

First Known Use

1961, in the meaning defined above

Time Traveler

The first known use of cocatalyst was in 1961

See more words from the same year

Cite this Entry

Style

“Cocatalyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cocatalyst. Accessed 30 Jan. 2023.

Copy Citation

Word of the Day

adapt

Listen to the pronunciation of adapt

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Words You Should Know

Often used to describe “the march of time,” what does inexorable mean?

Hear a word and type it out. How many can you get right?

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