v. i. [ imp. & p. p. Etiolated p. pr. & vb. n. Etiolating. ] [ F. étioler to blanch. ] 1. To become white or whiter; to be whitened or blanched by excluding the light of the sun, as, plants. [ 1913 Webster ]
2. (Med.) To become pale through disease or absence of light. [ 1913 Webster ]