单词 | tuberculosectorial |
释义 | > as lemmastuberculosectorial 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. < as lemmas |
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