what does barium monoxide mean?

BARIUM MONOXIDE as NOUN

Meaning
- an oxide of barium
- a whitish toxic powder
Synonym(s)
- barium oxide (what does barium oxide mean?)
- barium protoxide (what does barium protoxide mean?)
Hypernyms(s) barium monoxide is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- baryta (what does baryta mean?)