etiolation

• 名词，指植物因缺乏光照而失绿、变白、变弱或生长受抑制的过程或状态，也泛指任何事物的苍白化、衰弱或退化。

A noun referring to the process or condition of becoming pale, weak, or stunted in growth, especially in plants grown without sufficient light, resulting in a lack of chlorophyll.

不可数

1. Pale and sickly appearanceC2formal

   A condition of being pale, weak, or unhealthy in appearance, often due to lack of light or vitality.

   苍白病态

   • The patient's etiolation was a clear sign of prolonged illness.
   • His etiolation made him look much older than his actual age.
   • The etiolation of the plants was caused by insufficient sunlight.

   同义词palenesspallorsallownesswanness

   反义词bloomflushglowruddiness

2. C2formal

   The act of deliberately weakening or stunting the growth, development, or vitality of something.

   弱化或生长受阻

   • The constant criticism led to the etiolation of her creative spirit.
   • Economic sanctions caused the etiolation of the country's industrial sector.
   • The etiolation of the project's scope resulted in a mediocre outcome.

   同义词debilitationemasculationenervationstuntingweakening

   反义词fortificationinvigorationstimulationstrengtheningvitalization

3. Botanical etiolationC2formalscientific

   A process in botany where a plant grows pale, elongated, and without chlorophyll due to being deprived of light.

   黄化现象

   • The seedlings showed signs of etiolation after being kept in a dark closet.
   • Etiolation in plants is often reversible if they are exposed to light again.
   • The botanist studied the effects of etiolation on stem elongation.