etiolation

[Eng. etiolat (e); -ion. ] 1. Hort.: The act of rendering white, crisp, and tender, by excluding the light. Used of certain plants. 2. Physiol.: The act of rendering a human being pale and unhealthy by depriving him of sunlight. *e-ti-ô-log-Ic-al, a. [Eng. etiolog (y); -ical .] Pertaining or relating to etiology. *ē-ti-ol-o-gỹ, s. [Gr. aitiologia , from aitia = cause, reason, and logos a discourse; Fr. étiologie .] An account of the causes of anything, especially of diseases. e-ti-ô-tin, s . [Fr. étio ( ler ), or Eng. etio ( late ); t connective, and suff. in ( Chem .).] Chem.: A yellow coloring matter, found in plants which have grown in the dark.