vanadium oxide

noun

: an oxide of vanadium: such as

a

: the sesquioxide V₂O₃ obtained as a black crystalline powder by reducing vanadium pentoxide : di-vanadium trioxide

b

: the dioxide VO₂ or V₂O₄ obtained as blue-black crystals by partially reducing vanadium pentoxide

c

: vanadium pentoxide

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!