pteridosperm

n. [植]种子蕨

词形变化

pteridosperms 复数 pteridosperms

释义与例句

n.
  1. 1.

    Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of spores

词汇关系

名词

同义词 1

seed fern

上位词 1

gymnosperm

词源

By surface analysis, pterido- + sperm.

来源：wiktionary