Laburnum anagyroides / Golden rain tree (Koelreuteria)

(of a game, match, picnic, etc) To be cancelled due to rain.

plural of rain truck

A motor vehicle equipped with water sprinklers for simulating rain during filming.

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

plural of rain chamber

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

plural of rain stick

Alternative spelling of rainstick

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