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.

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

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

(physics) A minor stable isotope of oxygen, ¹⁸₈O, having eight protons and ten neutrons; it amounts to about 0.2% of the element in nature

(physics) A rare stable isotope of oxygen, ¹⁷₈O, having eight protons and nine neutrons; it amounts to 0.037% of the element in nature

(physics) The major stable isotope of oxygen, ¹⁶₈O, having eight protons and eight neutrons; it amounts to over 99% of the element in nature