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
The probability of one pollen grain landing in the right location – the stigma or ovule of another plant of the same species – is infinitesimally small.
—
Christine Cairns Fortuin, The Conversation, 5 May 2025
Modern pollen tells a story, too These studies relied on analyzing fossil pollen grains based on their shapes, surface features and wall structures.
—Francisca Oboh Ikuenobe, The Conversation, 20 May 2025
Storms can also break apart pollen grains, creating smaller particles that can penetrate deeper into the lungs.
—Christine Cairns Fortuin, The Conversation, 5 May 2025
Other people are also finding out that doors and windows can’t protect them, as some of the tiniest pollen grains seep in.
—Umair Irfan, Wired News, 5 Apr. 2025
See All Example Sentences for pollen grain
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Christine Cairns Fortuin, The Conversation, 5 May 2025
Modern pollen tells a story, too These studies relied on analyzing fossil pollen grains based on their shapes, surface features and wall structures.
—Francisca Oboh Ikuenobe, The Conversation, 20 May 2025
Storms can also break apart pollen grains, creating smaller particles that can penetrate deeper into the lungs.
—Christine Cairns Fortuin, The Conversation, 5 May 2025
Other people are also finding out that doors and windows can’t protect them, as some of the tiniest pollen grains seep in.
—Umair Irfan, Wired News, 5 Apr. 2025
See All Example Sentences for pollen grain
Cite this Entry
“Pollen grain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pollen%20grain. Accessed 18 Jul. 2025.
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