(physics, chemistry) A metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen, is diamagnetic rather than paramagnetic, and is more chemically reactive.

O₈, ε oxygen

a tube that carries oxygen to a heated tool; used to cut metal; the tip is continuously consumed

the normal form of molecular oxygen, especially such a gas supplied industrially in cylinders

(physics, chemistry) The normal, paramagnetic state of diatomic molecular oxygen.

oxylith

(medicine) A canopy for the head and shoulders, or a similar enclosure for the whole body, within which air having a higher than normal supply of oxygen can be administered to a patient.

(British spelling) Alternative spelling of oxidize

(chemistry) oxygen fluoride

The reduction in the concentration of dissolved oxygen in water, especially as a result of pollution.