The interruption of an outdoor event because of rain, with the expectation that it would continue later.

rain contaminated by fungi spores, soot, or other particulate matter / radioactive rain that fell on Hiroshima following the atomic bombing of 1945

The first rainfall of a season, at the start of spring in cold climates or the end of summer in hot, dry climates.

plural of golden rain

Rain coloured red due to the presence of spores of the microalga Trentepohlia or red dust.

plural of rain chamber

An attachment to a furnace in which the fumes of any metal are condensed.

Alternative spelling of rainstick

plural of rain stick

(astronomy) Cooled globs of condensed plasma that falls back onto a star's surface, after having been superheated and lofted into the corona.