plaquetten.

Brit.

/plaˈkɛt/, U.S.

/plæˈkɛt/

Origin: A borrowing from French. Etymon: French plaquette.

Etymology: < French plaquette (1852 in sense 2, 1853 in Marcou's field notes in sense 1 (see note below), 1883 in sense 3 (G. Hayem in Comptes rendus hebd. de l'Acad. des Sci. 97 458, the article reviewed in quot. 1883 at sense 3: see note below); earlier in sense ‘thin metal plate’ (1521 in Middle French)) < plaque plaque n. + -ette -ette suffix.J. Marcou's original French field note, dated 12 Oct. 1853, appears as follows in the source cited in quot. 1856 at sense 1:1853 J. Marcou Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) (1856) III. iv. 144/1 On voit sur les plaquettes de grès des débris nombreux, ressemblant à des os brisés de poissons ou sauriens.W. P. Blake translates this passage as follows, rendering plaquettes by slabs : 1856 W. P. Blake tr. J. Marcou Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) III. iv. 144/2 We saw upon the slabs of sandstone numerous fossil fragments resembling broken bones of fishes or saurians. G. Bizzozero does not use French plaquette to denote blood platelets in his 1882 articles (compare quot. 1883 at sense 3, and see platelet n.); instead, he uses petite plaque and plaque (see plaque n.). N.E.D.(1907) gives the non-naturalized pronunciation (plake·t) /plaˈkɛt/.

†1. Geology. A flattened concretion in a sedimentary rock. Obsolete. rare.

ΚΠ

1856 J. Marcou in Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) III. iv. 169 It [sc. the sandstone] is covered by a greyish schistose clay, containing nodules of iron and numerous plaquettes, composed of the scales and fragments of bones of fishes, belonging to the genus Ptychodus.

2. A small plaque or ornamental tablet.

ΘΚΠ

the mind > attention and judgement > beautification > types of ornamentation > [noun] > plaques

tablet1768

cartouchea1776

plateau1861

plaque1869

plaquette1881

1881 Times 22 Oct. 4/5 While the Italian medal series is represented both at the British Museum and at South Kensington, the ‘plaquettes’ are only to be found at the latter place.

1887 Amer. Jrnl. Archeol. & Hist. of Fine Arts 3 457 Square plaquette with 2 rosettes.

1903 Westm. Gaz. 1 Dec. 7/2 At the reception..each British M.P. was presented with a beautiful silver plaquette representing England and France fraternising.

1946 E. Diehl Bookbinding i. vi. 88 Later..we..find plaquettes especially designed for bibliophiles, which appear on their books as emblems indicating their ownership.

1994 N.Y. Rev. Bks. 1 Dec. 31/1 If Pisanello invented the Renaissance portrait medal, Leon Battista Alberti's bronze self-portraying plaquette is the genre's immediate predecessor.

†3. Anatomy. A blood platelet. Cf. plaque n. 7. Obsolete. rare.

ΘΚΠ

the world > life > the body > vascular system > blood > components of blood > blood corpuscle or plate > [noun]

blood corpuscle1838

disc1839

blood cell1841

corpuscle1845

haematoblast1876

blood plate1882

plaquette1883

blood plaque1884

plaque1884

blood platelet1888

platelet1888

haemad1891

thrombocyte1893

blood disc1902

blast cell1947

1883 Smithsonian Rep. 735 G. Hayem insists that the elements of the blood, to which he gave the name of hematoblasts, are identical with the ‘plaquettes’, or corpuscles, described by Bizzozero.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	plaquette
释义	plaquetten. Brit. /plaˈkɛt/, U.S. /plæˈkɛt/ Origin: A borrowing from French. Etymon: French plaquette. Etymology: < French plaquette (1852 in sense 2, 1853 in Marcou's field notes in sense 1 (see note below), 1883 in sense 3 (G. Hayem in Comptes rendus hebd. de l'Acad. des Sci. 97 458, the article reviewed in quot. 1883 at sense 3: see note below); earlier in sense ‘thin metal plate’ (1521 in Middle French)) < plaque plaque n. + -ette -ette suffix.J. Marcou's original French field note, dated 12 Oct. 1853, appears as follows in the source cited in quot. 1856 at sense 1:1853 J. Marcou Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) (1856) III. iv. 144/1 On voit sur les plaquettes de grès des débris nombreux, ressemblant à des os brisés de poissons ou sauriens.W. P. Blake translates this passage as follows, rendering plaquettes by slabs : 1856 W. P. Blake tr. J. Marcou Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) III. iv. 144/2 We saw upon the slabs of sandstone numerous fossil fragments resembling broken bones of fishes or saurians. G. Bizzozero does not use French plaquette to denote blood platelets in his 1882 articles (compare quot. 1883 at sense 3, and see platelet n.); instead, he uses petite plaque and plaque (see plaque n.). N.E.D.(1907) gives the non-naturalized pronunciation (plake·t) /plaˈkɛt/. †1. Geology. A flattened concretion in a sedimentary rock. Obsolete. rare. ΚΠ 1856 J. Marcou in Geol. Rep. (U.S. War Dept.: Rep. Explor. Route to Pacific) III. iv. 169 It [sc. the sandstone] is covered by a greyish schistose clay, containing nodules of iron and numerous plaquettes, composed of the scales and fragments of bones of fishes, belonging to the genus Ptychodus. 2. A small plaque or ornamental tablet. ΘΚΠ the mind > attention and judgement > beautification > types of ornamentation > [noun] > plaques tablet1768 cartouchea1776 plateau1861 plaque1869 plaquette1881 1881 Times 22 Oct. 4/5 While the Italian medal series is represented both at the British Museum and at South Kensington, the ‘plaquettes’ are only to be found at the latter place. 1887 Amer. Jrnl. Archeol. & Hist. of Fine Arts 3 457 Square plaquette with 2 rosettes. 1903 Westm. Gaz. 1 Dec. 7/2 At the reception..each British M.P. was presented with a beautiful silver plaquette representing England and France fraternising. 1946 E. Diehl Bookbinding i. vi. 88 Later..we..find plaquettes especially designed for bibliophiles, which appear on their books as emblems indicating their ownership. 1994 N.Y. Rev. Bks. 1 Dec. 31/1 If Pisanello invented the Renaissance portrait medal, Leon Battista Alberti's bronze self-portraying plaquette is the genre's immediate predecessor. †3. Anatomy. A blood platelet. Cf. plaque n. 7. Obsolete. rare. ΘΚΠ the world > life > the body > vascular system > blood > components of blood > blood corpuscle or plate > [noun] blood corpuscle1838 disc1839 blood cell1841 corpuscle1845 haematoblast1876 blood plate1882 plaquette1883 blood plaque1884 plaque1884 blood platelet1888 platelet1888 haemad1891 thrombocyte1893 blood disc1902 blast cell1947 1883 Smithsonian Rep. 735 G. Hayem insists that the elements of the blood, to which he gave the name of hematoblasts, are identical with the ‘plaquettes’, or corpuscles, described by Bizzozero. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1856
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