Jisho

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Noun
1. artificial rain; rainmaking; cloud seeding
Wikipedia definition
2. Cloud seedingCloud seeding, a form of intentional weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing substances into the air that serve as cloud condensation or ice nuclei, which alter the microphysical processes within the cloud. The usual intent is to increase precipitation (rain or snow), but hail and fog suppression are also widely practiced in airports.
Read “Cloud seeding” on English Wikipedia
Read “人工降雨” on Japanese Wikipedia
Read “Cloud seeding” on DBpedia

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