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