Memory Water cycleVersion en ligne Match the word with its meaning. par Annalisa Farrugia Dew point Any form in which water falls from the sky. The loss of water from vegetation. Transpiration Precipitation Water cycle Relief rainfall Front Frontal rainfall When water vapour changes back to water droplets. Hygroscopic nuclei The critical temperature at which air becomes saturated. Convectional rainfall The boundary between two air masses. The movement of water between air, sea and land. The loss of moisture from water surfaces and the soil. A solid surface such as dust, over which condensation occurs. Evaporation Condensation A type of rainfall that occurs when warm air meets a mountain. A type of rainfall that occurs when air rises as it is heated by the hot ground below. A type of rainfall that occurs when a warm airmass meets a cold airmass.