(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.

(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.

oxylith

the difference between the oxygen uptake of the body at rest and during exercise

O₈, ε oxygen

(chemistry) Any binary compound of oxygen and fluorine.

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

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

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

(chemistry) A binary compound of oxygen and fluorine, OF₂; a powerful oxidizing agent.