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pollen grain
noun
: one of the granular microspores that occur in pollen and give rise to the male gametophyte of a seed plant
Examples of pollen grain in a Sentence
Recent Examples on the Web
Each tall green weed can release 1 billion pollen grains and the plant grows extremely well in Virginia.
—Karri Peifer, Axios, 17 Sep. 2024
The greedy system eliminates the competing pollen grains that lack this gene drive.
—Laura Baisas, Popular Science, 7 Aug. 2024
In computer simulations, their average charge was strong enough to lift 100 pollen grains at least six millimeters in less than a second.
—Will Sullivan, Smithsonian Magazine, 2 Aug. 2024
Finally, using innovative molecular techniques, the team sequenced the DNA of pollen grains attached to the insects, and were able to identify the flowers from which the creatures had taken nectar.
—Marta Musso, WIRED, 5 July 2024
See all Example Sentences for pollen grain
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pollen grain.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1835, in the meaning defined above
Dictionary Entries Near pollen grain
Cite this Entry
“Pollen grain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pollen%20grain. Accessed 31 Oct. 2024.
Kids Definition
pollen grain
noun
: one of the microscopic grains of which pollen is made up
More from Merriam-Webster on pollen grain
Britannica.com: Encyclopedia article about pollen grain
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