動(dòng)詞 etiolate:

1. make weak by stunting the growth or development of
2. bleach and alter the natural development of (a green plant) by excluding sunlight
3. make pale or sickly

形容詞 etiolate:

1. (especially of plants) developed without chlorophyll by being deprived of light
   同義詞：etiolated, blanched

e.ti.o.late

v.（動(dòng)詞）
e.ti.o.lat.ed,e.ti.o.lat.ing,e.ti.o.lates
v.tr.（及物動(dòng)詞）
Botany To cause (a plant) to develop without chlorophyll by preventing exposure to sunlight.
【植物學(xué)】 使黃化：用使（植物）不受陽光的辦法，使其在無葉綠素的情況下生長

To cause to appear pale and sickly:
使蒼白和衰弱：
例句：
a face that was etiolated from years in prison.
因多年監(jiān)獄生活而變得蒼白衰弱的臉

To make weak by stunting the growth or development of.
阻礙…的生長：通過阻礙…的成長或發(fā)展使變得虛弱
v.intr.Botany （不及物動(dòng)詞）【植物學(xué)】
To become blanched or whitened, as when grown without sunlight.
黃化，白化：在沒有陽光的情況下生長而變蒼白

來源：
French étioler
法語 étioler
from Norman French étieuler [to grow into haulm]
源自 諾曼法語 étieuler [生長成莖葉]
from éteule [stalk]
源自 éteule [主莖，花梗]
from Old French esteule
源自 古法語 esteule
from Vulgar Latin *stupula
源自 俗拉丁語 *stupula
from Latin stipula
源自 拉丁語 stipula

【引伸】
e.tiola.tion
n.（名詞）