Rain is condensed moisture from the atmosphere that drops on the Earth as water.(noun)
An example of rain is drops of water that fall from the sky.
See rain in Webster's New World College Dictionary
Origin: ME rein < OE regn, akin to Ger regen < IE base *re-, var. of *reĝ-, moist, wet > L rigare, to wet, moisten: see irrigate
See rain in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English regn, rēn.
See rain in Ologies
the study of the geographical distribution of rainfall by annual totals. —hyetographic, hyetographical, adj.
Rare. the branch of meteorology that studies rainfall. —hyetologist, n. —hyetological, adj.
the branch of meteorology that studies rain. —ombrological, n.
an abnormal fear of rain.
the branch of meteorology that automatically measures rainfall and snowfall. —pluviographic, pluviographical, adj.
the branch of meteorology concerned with the measurement of rainfall. —pluviometric, pluviometrical, adj.
an instrument for measuring rainfall; a rain gauge.
raininess. —pluvious, adj.
the measurement of rainfall with any of various types of rain gauges. —udometric, adj.
a self-registering rain gauge.
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