(chemistry) The chemistry of organic compounds (that is, chemical compounds with carbon atoms in a covalent bond).

A shorthand system for notating organ music, used mostly by the north German Baroque organ school, and distinguished from musical notation by the use of letter names, octave lines and other symbols instead of notes and accidentals and by the lack of staff lines.

Any of many knobs near the keyboard of an organ used to select different sounds or timbres. / The timbre so produced.

(anatomy) An effector organ found in some fish (especially electric eels and electric catfish), that can produce a voltage large enough to aid in predation. / (music) electronic organ.

(anatomy) An organ used in sexual reproduction or sexual stimulation.

An organized entity, whether corporate or charitable, that does not exist in any one, central location, but instead exists solely through the Internet

(music) A division of a pipe organ for accompanying a choir.

(music) A section of a pipe organ in which the pipes are enclosed in a swell box

(music) a small pipe organ of a type suitable for domestic use as opposed to in a church or concert hall

a division of a pipe organ placed at the end of the nave in a gallery