Ziegler catalyst

noun
Zie·​gler catalyst | \ ˈzēglə(r)- \

Definition of Ziegler catalyst

: a catalyst (as triethyl-aluminum or a complex of a trialkyl-aluminum with titanium tetrachloride) that promotes an ionic type of polymerization of ethylene, propylene, or related olefins at atmospheric pressure with the resultant formation of a relatively high-melting polyethylene, a stereoregular polypropylene, or similar product

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!

History and Etymology for Ziegler catalyst

after Karl Ziegler, born 1898 German chemistry institute director

Learn More About Ziegler catalyst

Dictionary Entries Near Ziegler catalyst

Ziegfeld

Ziegler catalyst

Zielona Gora

See More Nearby Entries 

Statistics for Ziegler catalyst

Cite this Entry

“Ziegler catalyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ziegler%20catalyst. Accessed 27 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!