单词 | nullipar |
释义 | nulliparn. 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). < n.1955 |
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