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Pronunciation varies by accent · noun
(botany) A combination of biopolymers, observed in the exine layer of the spore and pollen wall..
Spores and pollen, collectively known as sporomorphs, are the tiny reproductive structures of land plants, and have a highly resistant outer wall made of a biopolymer called sporopollenin.
Use sporopollenin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sporopollenin means (botany) A combination of biopolymers, observed in the exine layer of the spore and pollen wall..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Spores and pollen, collectively known as sporomorphs, are the tiny reproductive structures of land plants, and have a highly resistant outer wall made of a biopolymer called sporopollenin.
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