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单词 tetartocone
释义

> as lemmas

tetartocone
tetartocone n.
Brit. /tᵻˈtɑːtə(ʊ)kəʊn/
,
/tɛˈtɑːtə(ʊ)kəʊn/
,
U.S. /təˈtɑrdəˌkoʊn/
,
/tɛˈtɑrdəˌkoʊn/
the posterior internal cusp of an upper premolar tooth.
ΚΠ
1896 Proc. Zool. Soc. 5 May 563 (Premolars) The antero-external cusp (protocone of Scott)..develops first, the antero-internal or deuterocone second, and the tetartocone third, the tritocone being wanting.
extracted from tetarto-comb. form
<
as lemmas
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