photechic effect


pho·tech·ic ef·fect

the ability of an agent, other than light, to make a developable latent image in a photographic film emulsion. Synonym(s): Russell effect

Russell,

William James, English chemist, 1830-1909. Russell effect - the ability of an agent other than light to make a developable latent image in a photographic film emulsion. Synonym(s): photechic effect