-spermcomb. form

Primary stress is retained by the usual stressed syllable of the preceding element and vowels may be reduced accordingly.

Origin: Formed within English, by conversion. Etymon: sperm n.

Etymology: < sperm n.Formations are found from the beginning of the 19th cent., apparently earliest in perisperm n.

Chiefly Botany.

Categories »

1. Forming nouns denoting types of seed or (rarely) spore, or parts of a seed, of the type specified by the first element, as episperm n., perisperm n.

Categories »

2. Forming nouns denoting types of plant, classified according to a characteristic of its seeds, as angiosperm n., gymnosperm n., pteridosperm n., etc.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online June 2018).

单词	-sperm
释义	-spermcomb. form Primary stress is retained by the usual stressed syllable of the preceding element and vowels may be reduced accordingly. Origin: Formed within English, by conversion. Etymon: sperm n. Etymology: < sperm n.Formations are found from the beginning of the 19th cent., apparently earliest in perisperm n. Chiefly Botany. Categories » 1. Forming nouns denoting types of seed or (rarely) spore, or parts of a seed, of the type specified by the first element, as episperm n., perisperm n. Categories » 2. Forming nouns denoting types of plant, classified according to a characteristic of its seeds, as angiosperm n., gymnosperm n., pteridosperm n., etc. This is a new entry (OED Third Edition, November 2010; most recently modified version published online June 2018). < comb. form
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