What does "etiolate" mean?

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

Additional senses

  1. 2.To blanch; to bleach; to whiten by depriving of the sun's rays.
  2. 3.(Med.) To cause to grow pale by disease or absence of light.
  3. 4.Having a blanched or faded appearance, as birds inhabiting desert regions.

Sources