trituberculateadj.

/trʌɪtjuːˈbəːkjʊlət/

Etymology: < tri- comb. form + Latin tūberculum tubercle + -ate suffix².

Comparative Anatomy.

Having three tubercles, as a tooth; relating to or characterized by such teeth.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > having form of molar tooth > having tuberculate molars > having three tubercles

trituberculate1835

tritubercular1884

1835–6 Todd's Cycl. Anat. & Physiol. I. 563/1 Molars..with tri-tuberculate transverse ridges.

1902 Sat. Rev. 6 Dec. 711/2 The..fossil Theromorpha with multituberculate teeth,..those with trituberculate teeth.

Derivatives

trituˈbercular adj.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > having form of molar tooth > having tuberculate molars > having three tubercles

trituberculate1835

tritubercular1884

1884 E. D. Cope in Proc. Amer. Philos. Soc. 1883–4 21 324 The type of superior molar tooth..was triangular or tritubercular.

1890 Nature 20 Mar. 466/2 The tritubercular molar consists of three cusps, cones, or tubercles, arranged in a triangle, and so disposed that those of the upper jaw alternate with those of the lower.

trituˈberculism n. the condition of being tritubercular, or the presence of tritubercular teeth.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [noun] > mouth > tooth or tusk > having tritubercular teeth

trituberculy1888

trituberculism1890

1890 Nature 20 Mar. 466/2 It appears probable..that ‘trituberculism’, as this type of tooth-structure may be conveniently termed, was developed from a simple cone-like tooth during the Mesozoic period.

1891 W. H. Flower & R. Lydekker Introd. Study Mammals ii. 32 We also find trituberculism differentiating into a secodont and a bunodont series.

trituˈberculist n. one who holds that the molar teeth of mammals are modifications of tritubercular teeth.

ΘΚΠ

the world > animals > zoology > [noun] > specific theories or systems > advocates of

quinarian1836

automatist1863

trituberculist1896

1896 Proc. Zool. Soc. 5 May 590 There is no evidence to show that this type of upper molar arose in the way suggested by trituberculists.

trituˈberculy n. = trituberculism n.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [noun] > mouth > tooth or tusk > having tritubercular teeth

trituberculy1888

trituberculism1890

1888 H. F. Osborn in Amer. Naturalist 1068 The almost universal predominance of trituberculy in the early geological periods.

1902 Sat. Rev. 6 Dec. 711/2 Mr. Beddard..gives..the rival theories of trituberculy and multituberculy.

This entry has not yet been fully updated (first published 1915; most recently modified version published online June 2022).

单词	trituberculate
释义	trituberculateadj. /trʌɪtjuːˈbəːkjʊlət/ Etymology: < tri- comb. form + Latin tūberculum tubercle + -ate suffix². Comparative Anatomy. Having three tubercles, as a tooth; relating to or characterized by such teeth. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > having form of molar tooth > having tuberculate molars > having three tubercles trituberculate1835 tritubercular1884 1835–6 Todd's Cycl. Anat. & Physiol. I. 563/1 Molars..with tri-tuberculate transverse ridges. 1902 Sat. Rev. 6 Dec. 711/2 The..fossil Theromorpha with multituberculate teeth,..those with trituberculate teeth. Derivatives trituˈbercular adj. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > having teeth > having form of molar tooth > having tuberculate molars > having three tubercles trituberculate1835 tritubercular1884 1884 E. D. Cope in Proc. Amer. Philos. Soc. 1883–4 21 324 The type of superior molar tooth..was triangular or tritubercular. 1890 Nature 20 Mar. 466/2 The tritubercular molar consists of three cusps, cones, or tubercles, arranged in a triangle, and so disposed that those of the upper jaw alternate with those of the lower. trituˈberculism n. the condition of being tritubercular, or the presence of tritubercular teeth. ΘΚΠ the world > animals > animal body > general parts > head and neck > [noun] > mouth > tooth or tusk > having tritubercular teeth trituberculy1888 trituberculism1890 1890 Nature 20 Mar. 466/2 It appears probable..that ‘trituberculism’, as this type of tooth-structure may be conveniently termed, was developed from a simple cone-like tooth during the Mesozoic period. 1891 W. H. Flower & R. Lydekker Introd. Study Mammals ii. 32 We also find trituberculism differentiating into a secodont and a bunodont series. trituˈberculist n. one who holds that the molar teeth of mammals are modifications of tritubercular teeth. ΘΚΠ the world > animals > zoology > [noun] > specific theories or systems > advocates of quinarian1836 automatist1863 trituberculist1896 1896 Proc. Zool. Soc. 5 May 590 There is no evidence to show that this type of upper molar arose in the way suggested by trituberculists. trituˈberculy n. = trituberculism n. ΘΚΠ the world > animals > animal body > general parts > head and neck > [noun] > mouth > tooth or tusk > having tritubercular teeth trituberculy1888 trituberculism1890 1888 H. F. Osborn in Amer. Naturalist 1068 The almost universal predominance of trituberculy in the early geological periods. 1902 Sat. Rev. 6 Dec. 711/2 Mr. Beddard..gives..the rival theories of trituberculy and multituberculy. This entry has not yet been fully updated (first published 1915; most recently modified version published online June 2022). < adj.1835
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