(music) a mode whose scale is the same as a major key with the seventh scale degree lowered by one half step, with the interval pattern:

(music) a mode whose scale is the same as a natural minor scale, with the interval pattern:

(music) a mode whose scale is the same as a minor key with the sixth scale degree raised by one half step, with the interval pattern:

(music) a mode whose scale is the same as a minor key with the second scale degree lowered by one half step, with the interval pattern:

(music) A mode that is the same as a major key, with the interval pattern:

(video games, informal) A mode of play in roguelike games, allowing the player to create objects on demand, to be resurrected in the case of death, etc.

(physics) The use of mode-locked lasers to generate ultrashort pulses of light

(video games) A style of cooperative multiplayer gameplay where players work together to defend a target or fight through waves of enemies.

(rail transport) a bi-mode multiple unit which can operate either as a normal electric train or as a diesel-electric train (on unelectrified track), with the power coming from diesel generators.

(rail transport) Of a train or locomotive: Designed to operate on electricity on electrified lines, or diesel-electric power (from a diesel generator) or battery power on non-electrified lines.