nonprotein

adjective non·pro·tein \ ˌnän-ˈprō-ˌtēn , -ˈprō-tē-ən \

Definition of nonprotein

: not being or derived from protein
  • the nonprotein part of an enzyme
  • nonprotein nitrogen

First Known Use of nonprotein

1926

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

nonprotein

adjective non·pro·tein \ ˈnän-ˈprō-ˌtēn, -ˈprōt-ē-ən \

medical Definition of nonprotein

: not being or derived from protein
  • the nonprotein part of an enzyme

Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

requiring immediate aid or action

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!