thermotropism

• 生物体对热源刺激产生的定向反应或生长运动，即向热性。

A biological phenomenon referring to an orienting response or growth movement of an organism in reaction to a source of warmth or heat.

不可数

1. Growth or movement in response to heatC2formalscientific

   The directional growth or movement of an organism, especially a plant, in response to a temperature gradient.

   向热性

   • The roots of the plant exhibited positive thermotropism by growing towards the warmer soil.
   • Some flowers close their petals in response to cold, a form of negative thermotropism.
   • Scientists studied thermotropism in fungi to understand their heat-seeking behavior.