radioimmunoassay

noun ra·dio·im·mu·no·as·say \ ˌrā-dē-ˌō-i-myə-nō-ˈa-ˌsā , -i-ˌmyü- , -a-ˈsā \

Definition of radioimmunoassay

: immunoassay of a substance that has been radioactively labeled

radioimmunoassayable

play \ˌrā-dē-ˌō-i-myə-nō-ˈa-ˌsā-ə-bəl, -i-ˌmyü-, -a-ˈsā\ adjective

First Known Use of radioimmunoassay

1961

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

radioimmunoassay

noun ra·dio·im·mu·no·as·say \ ˌrād-ē-ō-ˌim-yə-nō-ˈas-ˌā, -im-ˌyü-, -a-ˈsā \

medical Definition of radioimmunoassay

: immunoassay of a substance (as insulin) that has been radiolabeled abbreviation RIA

radioimmunoassayable

play \-ə-bəl\ adjective

Learn More about radioimmunoassay


Seen and Heard

What made you want to look up radioimmunoassay? 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

of the same or a similar kind or nature

Get Word of the Day daily email!

Test Your Vocabulary

May 2018 Words of the Day Quiz

  • spring-flowers
  • Which is a synonym of raillery?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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!