Lysergic acid diethylamide.

Initialism of Lake Shore Drive (freeway in Chicago). / Initialism of long slow distance (training method of long-distance running).

Initialism of linear synchronous motor (“a synchronous motor that provide an output of linear force rather than torque”). / Initialism of leaf spring mount.

(computing) Initialism of least significant bit. / (computing) Initialism of least significant byte. / Initialism of lower sideband.

(computing) Initialism of Linux Standard Base. / (England & Wales, law) Initialism of Legal Services Board.

(curling) Initialism of last stone in the first end.

Initialism of Louisiana State University.

Initialism of livestock unit.

(electronics) Initialism of large scale integration. / (computing) Initialism of latent semantic indexing.

LSD (lysergic acid diethylamide).