Using this mixture e.g. an oxyacetylene torch

(transitive) To treat or infuse with oxygen / (transitive, medicine) To give (a patient) oxygen therapy.

The tail of an ox or cow. / A cut of meat taken from the tail of a cow or calf; it requires long, slow braising, and is used to prepare oxtail soup.

(chemistry, transitive) To combine with oxygen or otherwise make an oxide. / (chemistry) To increase the valence (or the positive charge) of an element by removing electrons.

(inorganic chemistry) A non-flammable gas (N₂O) commonly used in surgery and dentistry for its anaesthetic and analgesic effects.

(typography) The serial comma.

(chemistry) The hypothetical charge of an atom within a molecule.

(organic chemistry) A colourless, crystalline dicarboxylic acid, (COOH)₂, found in rhubarb, spinach and other plants, often as crystals of the calcium salt.

A dark brownish-red colour.

Of a dark brownish-red colour.