(piping, valves) Initialism of water-oil-gas, typically marked on valves that are acceptable for use with these fluids.

A literary work in a fantasy genre that is also a comedy of manners.

(music) A group of four musicians playing string instruments, usually two violins, a viola and a cello. / (music) A musical composition for such a group.

(cytology) A form of cell division, in cancer cells, in which genetic material from the malignant cell separates by budding from its nucleus prior to cytokinesis and the production of daughter cells