Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

nonradioactive

adjective non·ra·dio·ac·tive \ ˌnän-ˌrā-dē-ō-ˈak-tiv \

Definition of nonradioactive

: not of, caused by, or exhibiting radioactivity : not radioactive
  • nonradioactive carbon
  • nonradioactive waste

First Known Use of nonradioactive

1904

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

nonradioactive

adjective non·ra·dio·ac·tive \ -ˌrād-ē-ō-ˈak-tiv \

medical Definition of nonradioactive

: not radioactive

Seen and Heard

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

show hide

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

volatile

play

subject to rapid or unexpected change

Get Word of the Day daily email!

TRENDING NOW

  1. hogwash 'nonsense, balderdash'

  2. probity 'adherence to the highest principles and ideals'

  3. sequacious 'intellectually servile'

  4. inadmissible 'not capable of being allowed'

  5. oligarch, pejorative 'a member a government in which a small group exercises control especially for corrupt and selfish purposes'

SEE ALL

BROWSE DICTIONARY

nonradioactive

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Citation

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!

Words at Play

Ask the Editors

Word Games