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Pronunciation varies by accent · noun
Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores.
Use pteridosperm when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pteridosperm means Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores.
Common synonyms include seed fern.
The opposite depends on the specific sense.
Use pteridosperm where its definition matches the intended context.
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