Capillarity(capillary action) The rise or fall of liquids in narrow tubes as a result of the surface tension of the liquid, which causes the water to adhere to solid surfaces, such as soil particles or the walls of xylem vessels.

• 毛细现象（毛细管作用）：由液体表面张力引起的液体在细管中上升或下降的现象，毛细现象引起水和固体表面的粘合作用，例如土壤颗粒或木质部导管壁。