(music, chiefly in the plural) A key with the same tonic as another key.

A text placed alongside its translation or translations. / A text similar to one being translated.

plural of parallel world

(science fiction, sciences) A reality or world that exists simultaneously with ours, but independent of it.

The action of parking a vehicle with its side parallel to the curb or the side of the road and facing in the direction of the traffic in the adjacent lane.

plural of parallel citation

(law) In legal writing, a portion of a citation indicating an additional publication of the document cited.

(geometry) An axiom of Euclidean geometry equivalent to the statement that, given a straight line L and a point P not on the line, there exists exactly one straight line parallel to L that passes through P; a variant of this axiom, such that the number of lines parallel to L that pass through P may be zero or more than one.

(mathematics) Describing two planes that do not intersect

plural of parallel text