Webster's Revised Unabridged Dictionary · 1913

Etiolate

Etiolate , intransitive verb

[French étioler to blanch.]

1.
To become white or whiter; to be whitened or blanched by excluding the light of the sun, as, plants.
2.
(Medicine) To become pale through disease or absence of light.

Etiolate , transitive verb

1.
To blanch; to bleach; to whiten by depriving of the sun's rays.
2.
(Medicine) To cause to grow pale by disease or absence of light.

Etiolate , adjective

Having a blanched or faded appearance, as birds inhabiting desert regions.

Also: Etiolated