verb, -lat⋅ed, -lat⋅ing.| 1. | to cause (a plant) to whiten or grow pale by excluding light: to etiolate celery. |
| 2. | to cause to become weakened or sickly; drain of color or vigor. |
| 3. | (of plants) to whiten or grow pale through lack of light. |
etiolation e·ti·o·la·tion (ē'tē-ə-lā'shən)
n.
Paleness or pallor resulting from deprivation of light.
The process of blanching or making pale by withholding light.