rain-out noun. ['reɪnaʊt] M20.
[from RAIN verb + OUT adverb. In sense 2 after FALLOUT.]
1. The cancellation or premature ending of an event because of rain. N. Amer. M20.

2. Incorporation into raindrops of radioactive debris from a nuclear explosion and its localized deposition on the earth's surface. M20.

[TahlilGaran] English Dictionary ▲

rain out
to spoil something by raining
The music festival was rained out yesterday evening.

[TahlilGaran] English Idioms Dictionary ▲

rain something out
to spoil something by raining
The music festival was rained out yesterday evening.

[TahlilGaran] English Idioms Dictionary ▲