bivoltineadj.

/bʌɪˈvɒltɪn/

Forms: Also bivoltin.

Etymology: < French bivoltin, < bi- , bi- comb. form + Italian volta time.

Of certain silkworms: producing two broods per annum. Also as n.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [adjective] > producing two broods a year

bivoltine1872

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Bombycidae > genus Bombyx > silk moth > caterpillar of bombyx mori or silkworm > characterized by number of broods

bivoltine1872

univoltine1872

quadrivoltine1888

trivoltin1888

polyvoltine1890

1872 J. Geoghegan Silk in India i. 23 In 1866 experiments were tried..with so-called Japan bivoltine and multivoltine seed.

1887 J. Paton in Encycl. Brit. XXII. 58/1 The common silkworm produces as a rule only one generation during the year; but there are races in cultivation which are bivoltine, or two-generationed, and some are multivoltine.

1888 E. A. Butler Silkworms 69 Most of the other species produce two, three, four, six, or even eight broods per annum, and in the commercial world are..distinguished as ‘bivoltins’, ‘trivoltins’, ‘quadrivoltins’, etc.

1932 Proc. 6th Internat. Congress Genetics I. 377 The bivoltine breeds also show less growth than the univoltine ones.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020).

单词	bivoltine
释义	bivoltineadj. /bʌɪˈvɒltɪn/ Forms: Also bivoltin. Etymology: < French bivoltin, < bi- , bi- comb. form + Italian volta time. Of certain silkworms: producing two broods per annum. Also as n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [adjective] > producing two broods a year bivoltine1872 the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Bombycidae > genus Bombyx > silk moth > caterpillar of bombyx mori or silkworm > characterized by number of broods bivoltine1872 univoltine1872 quadrivoltine1888 trivoltin1888 polyvoltine1890 1872 J. Geoghegan Silk in India i. 23 In 1866 experiments were tried..with so-called Japan bivoltine and multivoltine seed. 1887 J. Paton in Encycl. Brit. XXII. 58/1 The common silkworm produces as a rule only one generation during the year; but there are races in cultivation which are bivoltine, or two-generationed, and some are multivoltine. 1888 E. A. Butler Silkworms 69 Most of the other species produce two, three, four, six, or even eight broods per annum, and in the commercial world are..distinguished as ‘bivoltins’, ‘trivoltins’, ‘quadrivoltins’, etc. 1932 Proc. 6th Internat. Congress Genetics I. 377 The bivoltine breeds also show less growth than the univoltine ones. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020). < adj.1872
随便看	noncomplying noncomplyings noncompound noncompounder noncompounds noncomprehension noncomprehensions noncoms noncon nonconceiving nonconception nonconceptual nonconcerning nonconcludency nonconcrete nonconcur nonconcurred nonconcurrence nonconcurrences nonconcurrency nonconcurrent nonconcurring nonconcurs noncondensable noncondensing