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