rain day
Meteorology
noun
(In the United Kingdom) a 24-hour period commencing at 9.00 a.m. GMT on which there is at least 0·01 inch or 0·2 mm of recorded rainfall.
Origin
Early 20th century; earliest use found in The Times.
| 单词 | rain day |
| 释义 | rain dayMeteorology noun (In the United Kingdom) a 24-hour period commencing at 9.00 a.m. GMT on which there is at least 0·01 inch or 0·2 mm of recorded rainfall. Origin |
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