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单词 physeteroid
释义

physeteroidn.adj.

Brit. /fʌɪˈsiːtərɔɪd/, U.S. /faɪˈsidəˌrɔɪd/
Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: physeter n., -oid suffix.
Etymology: < physeter n. + -oid suffix, after scientific Latin Physeteroidea, superfamily name ( T. Gill 1872 , in Smithsonian Misc. Coll. 11 ccxxx. 15).
Zoology.
A. n.
A member of the superfamily Physeteroidea, which includes the sperm whale, the pygmy and dwarf sperm whales (genus Kogia), and their fossil relatives.
ΘΚΠ
the world > animals > mammals > order Cetacea (whales) > suborder Odontoceti > [noun] > family Physeteridae > genus Physeter (sperm whale)
trumpa1625
spermaceti whale1658
pot-walfish1694
parmacety1705
pot-fish1744
cachalot1747
physeter1753
sperm whale1839
sperm1840
macrocephalus1851
greyhead1859
physeteroid1876
1876 Nature 6 Apr. 450/2 Whales range themselves under the two principal heads of Ziphioids or Physeteroids, and Delphinoids.
1928 Q. Rev. Biol. 3 176/2 The oldest known Miocene physeteroids.
2001 Proc. National Acad. Sci. U.S.A. 98 7384/1 Among these four broad groups, the physteroids are usually basal.., and the delphinoids are the most recently diverged.
B. adj.
Of or relating to the superfamily Physeteroidea; resembling a sperm whale.
ΚΠ
1890 Cent. Dict. Physeteroid, a., belonging to the Physeteroidea, or having their characters; resembling the genus Physeter; xiphioid.
1926 Proc. U.S. National Mus. 66 xxvii. 1 (title) A fossil physeteroid cetacean from Santa Barbara County, California.
1998 Systematic Biol. 47 340/2 One of the physeteroid families..shared a state with Mysticeti, whereas the other shared a state with other odontocetes.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.adj.1876
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