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单词 dendroid
释义

dendroidadj.

Brit. /ˈdɛndrɔɪd/, U.S. /ˈdɛndrɔɪd/
Etymology: < Greek δένδρον + -oid suffix: compare Greek δενδρώδης, contracted < δενδροειδής.
Of the form of a tree; dendritic, arborescent.
ΘΚΠ
the world > space > shape > other specific shapes > [adjective] > like (branches of) a tree
ramose1673
arborescent1679
dendrical1758
dendritic1816
dendritical1822
ramiform1833
dendroidal1840
dendroid1846
dendriform1847
dendrodic1849
1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 544 A dendroid specimen in the coral collections of Peale's Museum.
1869 H. A. Nicholson Man. Zool. 105 Dendroid, or tree-like, corals.

Draft additions 1993

b. Palaeontology. Designating or pertaining to graptolites of the order Dendroidea, which form many-branched colonies.
ΘΚΠ
the world > animals > invertebrates > zoophyte > [adjective] > of or relating to graptolites > belonging to order Dendroidea
dendroid1908
1908 R. Ruedemann in Mem. N.Y. State Mus. XI. 59 All these graptolites are dendroid forms which lived under the same conditions as the associated benthonic forms.
1932 L. A. Borradaile & F. A. Potts Invertebrata v. 150 Certain forms, whose relationship is not clear, occur very commonly in the Cambrian and are grouped together as ‘dendroid’ graptolites.
1979 D. L. Dineley Fossils iii. 79 The late Cambrian dendroid graptolites..had three distinct kinds of thecae.

Draft additions 1993

Palaeontology. A dendroid graptolite.
ΘΚΠ
the world > animals > invertebrates > zoophyte > [noun] > fossil zoophyte > of genus Graptolites > dendroid
dendroid1912
1912 F. F. Hahn in Ann. N.Y. Acad. Sci. 22 150 The sediments of those places on which the dendroids actually flourished were not favorable for preserving the delicate graptolites.
1958 G. A. Kerkut Borradaile & Potts's Invertebrata (ed. 3) xviii. 718 The dendroids show a branching pattern of uniserate stipes (thecae on one side of the stipe only).
1977 A. Hallam Planet Earth 264/1 The earliest graptoloids are referred to a group known as the dendroids, which exhibit cups of differing shapes and developed into shrubby, lace-like colonies of moderate size.., in which the branches were commonly joined by transverse struts.
This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022).
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adj.1846
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