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单词 nullipar
释义

nulliparn.

Brit. /ˈnʌlᵻpɑː/, U.S. /ˈnələˌpɑr/
Origin: Formed within English, by compounding. Etymons: nulli- comb. form, nulliparous adj.
Etymology: < nulli- comb. form + -par- (in nulliparous adj.). Compare nullipara n.
Entomology.
A female mosquito or other female insect that has not yet laid eggs.
ΚΠ
1955 Ann. Trop. Med. & Parasitol. 49 321 The great majority [of the pre-gravid group] are young nullipars.
1960 Nature 6 Aug. 525/1 It is therefore desirable to establish means whereby as may nullipars as possible can be recognized without dissection.
1980 Trop. & Geogr. Med. 32 306 The release of freshly blood-fed nullipars bred from larvae produced two recaptures.
1997 Med. & Vet. Entomol. 13 337 Patterns in the frequencies of hypertrophied fat body and of vitellogenic nullipars indicated that about 50% of recruited adults began developing into diapause in the second week of September in each year.
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1955
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