On a level; in the same condition, circumstances, position, rank, etc.; equal.

plural of absence without leave

(organic chemistry) The quaternary ammonium compound [(methylimino)diethylene]bis[ethyldimethylammonium] bromide that blocks the activity of ganglions

The depression of an input key; a keystroke. / (computing) The buffered electrical signal resulting from such an event, sometimes distinguished from the release.