1. 黄化：[植物学]黄化(etiolation) 多数植物在黑暗中生长时呈现黄色和其他变态特征的现象. 植物在暗中不能合成叶绿素,显现出类胡萝卜素的黄色;节间伸长很快;叶片不能充分展开和生长;根系、维管束和机械组织不发达. 双子叶植物的黄化幼苗胚轴顶端弯曲成钩状,
2. 黄化现象：24.黄化现象(etiolation) 通常指植物在黑暗中生长时呈现黄色和形态结构变化的现象. 如呈现茎叶淡黄、茎杆细长、叶小而不伸展、组织分化程度低、机械组织不发达、水分多而干物重少等现象. 有时将因缺乏某些条件而影响叶绿素形成,
3. 青白化：etiolate 使变青白 | etiolation 青白化 | etiology 病因学
4. 黃化;自化：ethology (動物)行為學 | etiolation 黃化;自化 | eubenthos 真底棲生物
noun
1. (botany) the act of causing a plant to develop without chlorophyll by growing it without exposure to sunlight
e.g. the etiolation of celery
2. the act of weakening by stunting the growth or development of something
e.g. the etiolation of the critical tradition
3. a pale and sickly appearance
e.g. his etiolation signaled years in prison