Join Us On

Browse Dictionary Browse Thesaurus

Get our free apps!iPhone•iPad•Android

Dictionary

Diels

biographical name \ˈdēlz, ˈdēls\

Definition of DIELS

Otto Paul Hermann 1876–1954 Ger. chem.

Next Word in the Dictionary: DietrichPrevious Word in the Dictionary: Diefenbaker

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

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears

Join Us

Merriam-Webster
on Facebook

Merriam-Webster
on Twitter

Bookstore: Digital and Print

Merriam-Webster references for Mobile, Kindle, print, and more.

See All

Other Merriam-Webster Dictionaries