etiolate

(verb) make weak by stunting the growth or development of.

(verb) bleach and alter the natural development of (a green plant) by excluding sunlight.

(verb) make pale or sickly. Example: "Alcohol etiolates your skin."

(adj) (especially of plants) developed without chlorophyll by being deprived of light. Synonyms: etiolated, blanched. Example: "Etiolated celery."