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单词 tuberculosectorial
释义

> as lemmas

tuberculosectorial
tuberculosectorial adj. and n.
Brit. /t(j)ᵿˌbəːkjᵿlə(ʊ)sɛkˈtɔːrɪəl/
,
/tʃᵿˌbəːkjᵿlə(ʊ)sɛkˈtɔːrɪəl/
,
U.S. /təˌbərkjəloʊˌsɛkˈtɔriəl/
,
/t(j)uˌbərkjəloʊˌsɛkˈtɔriəl/
Zoology (a) adj. designating a sectorial tooth (see sectorial adj.2) that has one or more tubercles; (b) n. a tooth of this kind.
ΘΚΠ
the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > having form of molar tooth > molar tooth adapted for cutting
tuberculosectorial1886
1871 E. D. Cope in Proc. Amer. Philos. Soc. 1869–70 11 176 It resembles the tubercular sectorial of the bear.]
1886 J. L. Wortman in W. F. Litch Amer. Syst. Dentistry I. ii. 429 The true molars are quadritubercular, or rather intermediate between the tuberculo-sectorial and quadritubercular patterns.
1891 Proc. Acad. Nat. Sci. Philadelphia 1890 42 61 This portion resembles the tuberculo-sectorials of Paleonictis.
1951 G. R. de Beer Vertebr. Zool. (ed. 2) xviii. 230 The primitive shape of the molar teeth..of the lower jaw have three cusps and a posterior ‘heel’ or talonid, and are called tuberculo-sectorial.
2011 T. A. Vaughan et al. Mammalogy (ed. 5) xv. 283/1 Holocene leaf-nosed bats probably evolved from an ancestral type that had tuberculosectorial teeth.
extracted from tuberculo-comb. form
<
as lemmas
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