long-day

[ lawng-dey, long- ]

/ ˈlɔŋˈdeɪ, ˈlɒŋ- /

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adjective Botany.

requiring a long photoperiod in order to flower.

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Origin of long-day

First recorded in 1915–20

Words nearby long-day

longcloth, long-coats, long con, long COVID, long-dated, long-day, long-day plant, Long Day's Journey Into Night, Longden, long distance, long division

How to use long-day in a sentence

In other words, fluoride is a broad-spectrum, bipartisan, long-lasting magnet for dissent.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
And they might not have to wait that long to show their political heft.
Asian-Americans Are The New Florida|Tim Mak|January 8, 2015|DAILY BEAST
The plan is to stretch it out as long as possible, then probably forget about it, and then suddenly remember it.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Great American leaders have long contributed profound thoughts of tremendous consequence to the public discourse.
Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST

He added: “People say he deserves his day in court… Do we have enough time?”
Bill Maher: Hundreds of Millions of Muslims Support Attack on ‘Charlie Hebdo’|Lloyd Grove|January 8, 2015|DAILY BEAST
It was a decayed house of superb proportions, but of a fashion long passed away.
Checkmate|Joseph Sheridan Le Fanu
As long as may be necessary, Sam,” replied Mr. Pickwick, “you have my full permission to remain.
The Posthumous Papers of the Pickwick Club, v. 2(of 2)|Charles Dickens
The afternoon was a lovely one—the day was a perfect example of the mellowest mood of autumn.
Confidence|Henry James
Edna did not reveal so much as all this to Madame Ratignolle that summer day when they sat with faces turned to the sea.
The Awakening and Selected Short Stories|Kate Chopin
Ages back—let musty geologists tell us how long ago—'twas a lake, larger than the Lake of Geneva.
Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846|Various

British Dictionary definitions for long-day

long-day

adjective

(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 darknessCompare short-day

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012