Source : Webster's Revised Unabridged Dictionary (1913)

Etiolate \E"ti*o*late\ v. i. [imp. & p. p. {Etiolated}; p. pr. &
   vb. n. {Etiolating}.] [F. ['e]tioler to blanch.]
   1. To become white or whiter; to be whitened or blanched by
      excluding the light of the sun, as, plants.

   2. (Med.) To become pale through disease or absence of light.

Etiolate \E"ti*o*late\, Etiolated \E"ti*o*la`ted\, a.
   Having a blanched or faded appearance, as birds inhabiting
   desert regions.

Source : WordNet®

etiolated
     adj : (especially of plants) developed without chlorophyll by
           being deprived of light; "etiolated celery" [syn: {etiolate},
            {blanched}]