etiolate

• 指因缺乏光照而变得苍白或衰弱的，也泛指失去活力与生气、变得萎靡不振的；常用于植物学中描述黄化现象。

An obsolete adjective meaning to become pale or sickly, or to lose vigor and vitality; often used in a botanical context to describe plants that have been deprived of light.

1. Bleached or pale from lack of lightC2formalscientific

   Describes a plant that has become pale, weak, and elongated due to being grown in the absence of sufficient light.

   黄化的

   • The etiolate seedlings were a pale yellow color.
   • Etiolate plants are often leggy and fragile.
   • The gardener moved the etiolate sprouts to a sunnier location.

   同义词blanchedbleachedcolorlesspalewanwhite

• 使植物因缺乏光照而变得苍白、细弱；使（人或事物）变得苍白、虚弱或缺乏活力，尤指因隔离或受到剥夺所致。

To cause (a plant) to become pale and weak due to lack of light; to make pale or feeble, especially through confinement or deprivation.

1. Bleach a plant by excluding lightC2formalscientific

   To cause a green plant to become pale and weak by depriving it of sunlight, altering its natural development.

   黄化

   • The gardener accidentally etiolated the seedlings by keeping them in a dark shed.
   • Plants grown in complete darkness become etiolated, with long, pale stems.
   • To study etiolation, scientists etiolate certain plants and compare them to normal ones.

   同义词blanchbleachwhiten

2. Make weak or stuntedC2formal

   To weaken or stunt the growth or development of something, often by depriving it of necessary conditions.

   使衰弱或发育不良

   • Prolonged isolation can etiolate a person's social skills.
   • The harsh environment etiolated the community's economic growth.
   • A lack of intellectual challenge can etiolate a student's curiosity.

   同义词debilitatedrainenervateenfeebleexhaustinhibitsapstuntweaken

   反义词fortifyhardeninvigoratestrengthen

3. Make pale or sicklyC2formal

   To cause something to become pale, wan, or unhealthy in appearance.

   使苍白或病态

   • The long illness etiolated her complexion, leaving her looking pale.
   • The dim lighting in the room etiolated the vibrant colors of the painting.
   • His face was etiolated from months spent indoors without sunlight.

   同义词blanchbleachfadepalewash outwhiten

   反义词blushcolorflushreddentinge