tropistic
tropistic — 形容詞
- tropisticpositive
- more tropisticcomparative
- most tropisticsuperlative
1. relating to the way a living thing, especially a plant, grows or turns in respon
向性的
生物對刺激產生生長或轉向反應的
relating to the way a living thing, especially a plant, grows or turns in response to a natural stimulus such as light, gravity, or physical contact.
The tropistic response of sunflowers causes them to turn toward the sun throughout the day.
向日葵的向性反應使它們在一天中都朝向太陽。
attributive use: tropistic + response (noun)
Vivek studied the tropistic movement of bean plants in his biology class.
Vivek 在生物課上研究了豆類植物的向性運動。
Gravity triggers a tropistic reaction in plant roots, making them grow downward into the soil.
重力會觸發植物根部的向性反應，使它們向下生長進入土壤。
The botanist observed tropistic growth in the vines as they curled around a wooden trellis.
植物學家觀察了藤蔓繞著木架攀爬的向性生長。
Seedlings in a dark box showed tropistic behavior by bending toward the only light source.
暗箱中的幼苗表現出向性行為，朝著唯一的光源彎曲生長。
- tropic
shorter alternative with the same meaning, but much rarer in modern usage
- directional
broader term — describes any growth in a particular direction, not necessarily triggered by a stimulus
- nastic
describes plant movement that is independent of the direction of the stimulus (e.g., a flower opening in daylight)
文法句型
tropistic + noun (response, movement, growth)
be + tropistic (in its growth)
用法筆記
Primarily used in formal academic writing, especially in botany and plant biology. The word is most commonly found modifying nouns that describe growth or directional change (response, movement, growth, behavior, reaction). Non-specialist speakers more often use phrasings like 'growth in response to light.'