单词 | mouth plate |
释义 | mouth platen.ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > hearth or floor of furnace hearth1551 sole1615 laboratory1790 hearth bottom1821 mouth plate1852 open-hearth1870 shelf1879 kitchen1881 1852 C. Tomlinson Cycl. Useful Arts (1854) I. 85/1 A mouth-plate for holding pieces of ignited charcoal. 1853 A. Ure Dict. Arts (ed. 4) I. 95 The mouth-plate,..upon it are laid pieces of charcoal, which during the process are ignited. 2. A plate fitted into the roof of the mouth in the surgical treatment of cleft palate, as part of a denture, etc. ΘΚΠ the world > health and disease > healing > dentistry > [noun] > denture > plate plate1845 suction-plate1875 mouth plate1876 saddle1907 1876 Trans. Clin. Soc. 9 126 That part which connected the mouth-plate with the nasal rim. 1988 C. Chapman & R. Starkman On Edge vi. 95 A dentist wanted to balance the skiers' bites... Unfortunately, the mouthplates he was peddling cost nine hundred dollars each. 3. Zoology. A skeletal plate associated with the mouth; esp. any of several that surround the mouth aperture in echinoderms. Also: a plate or structure bearing teeth. Now rare. ΚΠ 1882 Jrnl. Linn. Soc.: Zool. 16 194 Mouth-plates short. 1904 Proc. Royal Soc. 74 40 (caption) Mouth plate of anal inter-radius. 1925 Science 16 Jan. 69/2 The first [hagfish] to touch the bait at once rasped off the flesh by a quick movement of protraction and retraction of the corneous teeth of the mouth plate. 1935 Q. Rev. Biol. 10 280/1 The reduction of the mouth-plate in the carpoids is correlated with the evagination of the gut in front of the mouth. 1935 Philos. Trans. (Royal Soc.) B. 225 382 Kiaer described..the complete dorsal armour of one species [of Pteraspis] and the ventral armour, including the mouth-plates, of a second. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < |
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