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单词 bipinnate
释义

bipinnateadj.

/bʌɪˈpɪneɪt/
Etymology: < modern Latin bipinnātus: see bi- comb. form 1c and pinnate adj. < pinna wing.
1. Doubly or subordinately pinnate; see quot.
ΘΚΠ
the world > plants > part of plant > leaf > [adjective] > compound or lobed
cut1565
winged1668
pinnate1687
conjugated1690
trifoliated1698
auriculated1712
auriculate1714
pennate1723
pinnated1725
pennated1727
bigeminate1753
lyrated1753
pedated1753
pinnatifid1753
supradecomposite1753
supradecompound1753
ternated1753
trifoliate1753
lyrate1760
pedate1760
quinate1760
ternate1760
tripinnate1760
palmed1767
bilobated1770
lyre-shaped1778
pennatifid1778
finger-parted1783
superdecompound1783
bipinnate1785
biternate1785
conjugate1785
lobed1787
tergeminate1793
wing-cleft1796
yoked?1803
binate1807
septenate1807
trijugous1813
auricled1821
pinniform1821
multijugous1828
pinnulate1828
trifoliolate1828
bipinnatifid1830
multifoliolate1831
multijugate1831
quinquefoliolate1832
bifoliolate1835
pinnatisected1837
palmatifid1839
tripinnatifid1839
foliate1840
palmatipartite1840
pinnatilobate1840
pinnatipartite1840
pinnatisect1840
bipinnated1842
biconjugate1847
imparipinnate1847
paripinnate1851
pinnatulate1855
polytomous1856
multifoliate1857
pennati-partite1857
pennati-sected1857
ternato-pinnate1857
tripinnatisect1857
patentoternate1859
septemfoliate1859
bipinnatipartite1861
bipinnatisected1861
bipalmate1864
pinnatilobed1866
septenous1866
cut-leaved1870
lobing1870
ternatisect1870
tripinnated1876
trijugate1880
jugate1887
pinnulated1890
trisect1899
tridigitate1900
trigeminous1900
1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xxi. 307 The leaves are doubly winged or bipinnate.
1872 D. Oliver Lessons Elem. Bot. (new ed.) i. vii. 77 A leaf becomes twice pinnate (bi-pinnate) when the common petiole, instead of bearing leaflets, bears secondary petioles upon which the leaflets are pinnately arranged.
2. Zoology. Having feathery appendages in opposed pairs.
ΘΚΠ
the world > animals > animal body > general parts > [adjective] > feather-shaped > having feathery appendages
bipinnate1856
1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. II. 63 Tail..without spur, bipinnate above.
1868 E. P. Wright Ocean World vi. 142 Pennatula..with polypes on bipinnate wings.
This entry has not yet been fully updated (first published 1887; most recently modified version published online March 2021).
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adj.1785
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