coffinite

[ kaw-fi-nahyt, kof-i- ]

/ ˈkɔ fɪ naɪt, ˈkɒf ɪ- /

Save This Word!

noun

a mineral, black uranous silicate, USiO4, an important ore of uranium.

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 coffinite

First recorded in 1950–55; coffin + -ite¹

Words nearby coffinite

coffered, Coffeyville, coffin, coffin bone, coffin corner, coffinite, coffin nail, Coffin-Siris syndrome, coffle, Coff's Harbour, C of I