Quantum mechanics (QM; also known as quantum physics or quantum theory) including quantum field theory, is a fundamental branch of physics concerned with processes involving, for example, atoms and photons.
Use oxide in a sentence. 1  a binary compound of oxygen with some other element or with a radical. 2  Divalent anionic oxygen, or a compound of oxygen, especially a binary compound of oxygen with a more electropositive element. Origin of oxide. French ox(ygÃ¨ne) oxygen ; see oxygen . (ac)ide acid ( from Latin acidus tart, acid ; see acid .
Here are all the possible meanings and translations of the word copper(i) oxide. Freebase(0.00 / 0 votes)Rate this definition: Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper. This red-coloured solid is a component of some antifouling paints.