transpiration

• 植物通过叶片气孔将体内水分以水蒸气形式散失到大气中的过程，是植物水分运输和蒸腾作用的一部分。

A noun referring to the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere.

不可数

1. Gas flow through tubesC1formalscientific

   The movement of gases through narrow tubes or pores, driven by differences in pressure or temperature.

   蒸腾作用

   • Transpiration in porous materials can affect the efficiency of filtration systems.
   • The transpiration of gas through the capillary tubes was measured in the lab.
   • Temperature gradients can significantly influence the rate of transpiration in certain membranes.

2. Water vapor release from skinB2formalmedical

   The process of releasing water vapor through the skin or mucous membranes, often as a form of cooling or regulation.

   通过皮肤释放水蒸气

   • Transpiration through the skin helps regulate body temperature during exercise.
   • The mucous membranes contribute to transpiration in the respiratory tract.
   • Excessive transpiration can lead to dehydration in hot climates.

   同义词perspirationsweating

3. Plant water lossB2formalscientific

   The emission of water vapor from the leaves of plants, primarily through stomata, as part of the water cycle.

   蒸腾作用

   • Transpiration in plants is essential for nutrient transport from the roots.
   • High temperatures can increase the rate of transpiration in crops.
   • The transpiration rate was measured using a porometer in the field study.