leaf spot

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noun Plant Pathology.

a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis.

any disease so characterized.

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Origin of leaf spot

First recorded in 1900–05

Words nearby leaf spot

leaf rust, leaf scald, leaf scar, leaf sheath, leaf sight, leaf spot, leaf spring, leafstalk, leaf through, leaf trace, leaf warbler

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use leaf spot in a sentence

Michael Steinbrick, a personal trainer with New York Sports Clubs, says he can always spot a newbie.
How to Survive the New Year ‘Gympocalypse’|Tim Teeman|January 6, 2015|DAILY BEAST
In the years to come, Wha became a legendary starting out spot for various soon-to-be rock stars.
The Bars That Made America Great|Nina Strochlic|December 28, 2014|DAILY BEAST
And so the “Glo-o-o-o-o-o-o-o-ria” in this number earns it a spot on my list.
Yes, I Like Christmas Music. Stop Laughing.|Michael Tomasky|December 24, 2014|DAILY BEAST
On my short list of the great rock voices of all time, he is battling for the top spot with Mick Jagger.
The Greatest Rock Voice of All Time Belonged to Joe Cocker|Ted Gioia|December 23, 2014|DAILY BEAST

While 15 miles per week has benefits, “the sweet spot is probably around 30 miles of running per week,” Williams argues.
Running 15 Miles a Week Could Slash Alzheimer’s Risk|DailyBurn|December 12, 2014|DAILY BEAST
Suddenly, however, he became aware of a small black spot far ahead in the very middle of the unencumbered track.
The Joyous Adventures of Aristide Pujol|William J. Locke
There was a lathe near the spot where David Arden stood, and shavings and splinters under his feet.
Checkmate|Joseph Sheridan Le Fanu
We see the whole land, even if but at a distance, instead of being limited merely to the spot where our foot treads.
Music-Study in Germany|Amy Fay
A lurid spot on each cheek showed burning red through the bronze of his skin.
Ramona|Helen Hunt Jackson
Not a zephyr ruffled the leaf of a rose, and a soft breathing fragrance bathed his reposing senses.
The Pastor's Fire-side Vol. 3 of 4|Jane Porter

British Dictionary definitions for leaf spot

leaf spot

noun

any of various plant diseases, usually caused by fungi: characterized by dark lesions on the leaves

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

Scientific definitions for leaf spot

leaf spot

Any of various plant diseases resulting in well-defined necrotic areas on the leaves.