barium oxide

1. 1.

   an oxide of barium; a whitish toxic powder

   Synonymsbarium monoxidebarium protoxide

   Broaderbaryta

Questions about barium oxide

What does barium oxide mean?

barium oxide means "an oxide of barium; a whitish toxic powder".

What is another word for barium oxide?

Close synonyms include barium monoxide, barium protoxide. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is barium oxide a common word?

barium oxide is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.