arsenic pentoxide

noun

Definition of arsenic pentoxide

  1. :  a white amorphous deliquescent compound As2O5 or As4O10 usually made by oxidizing arsenic trioxide and used in making arsenates

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Seen and Heard

What made you want to look up arsenic pentoxide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize severely

Get Word of the Day daily email!