“sesquioxide”

The following 2 entries include the term sesquioxide.

chromium sesquioxide

noun

manganese sesquioxide

noun

: a compound Mn2O3 obtained as a black powder by heating manganese dioxide or manganous salts in air


Fashionable Words

  • dog-sunglasses-scarf
  • Which of these items is named for a deadly weapon?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

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