- (of certain plants) able to mature and flower only if exposed to long periods of daylight (more than 12 hours), each followed by a shorter period of darkness
Compare short-day
单词 | long-day |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 long-day (lông′dā′, long′-),USA pronunciation adj. [Bot.]
Collins Concise English Dictionary © HarperCollins Publishers:: long-day adj
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