radiothorium

[ rey-dee-oh-thawr-ee-uhm, -thohr- ]

/ ˌreɪ di oʊˈθɔr i əm, -ˈθoʊr- /

Save This Word!

noun Chemistry.

a disintegration product of thorium.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

TAKE THE QUIZ TO FIND OUT

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar help

Improve Your Writing

Meet Grammar CoachImprove Your Writing

Origin of radiothorium

From New Latin, dating back to 1920–25; see origin at radio-, thorium

Words nearby radiothorium

radiotherapeutic, radiotherapeutics, radiotherapy, radiothermy, radiothon, radiothorium, radiotoxemia, radiotoxic, radiotracer, radiotransparent, radiotropic