lack of rainfall; drought
Technical term used in meteorology and related fields to describe a period with no precipitation. Often used in weather reports and climate studies.
This month, days without rainfall have been continuing.
If the lack of rainfall persists, it will affect crops.
Compound of 無 (mu, 'without') and 降水 (kōsui, 'rainfall'). The reading むこうすい follows standard on'yomi. The term is a modern technical coinage.