De*vel"op*er , n. One that develops; specif.:
(a) (Photog.) A chemical bath or reagent used in developing
photographs. (b) (Dyeing) A reagent used to produce an ingrain color by its action
upon some substance on the fiber.
De*vel"op*er (?), n.
1. One who,
or that which, develops.
2.
(Photog.) A reagent
by the action of which the latent image upon a photographic plate, after exposure in the camera, or otherwise, is developed and visible.
Hear it pronounced