dioxide

noun Chemistry.

1. an oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO2, or nitrogen dioxide, NO2.

noun

1. any oxide containing two oxygen atoms per molecule, both of which are bonded to an atom of another element
2. another name for a peroxide (def. 4)

n.

1. A compound containing two oxygen atoms per molecule.

1. A compound containing two oxygen atoms per molecule.