plaque
意味
- (金属・陶器などの)飾り額,飾り板
例文
I think I have a lot of plaque build up.
歯垢がずいぶん付いていると思いますが。
The plaque has to be removed.
歯垢をとらなければなりません。
語源
英語の原文（Wiktionary）
Unadapted borrowing from French plaque (“plate, sheet (of metal); slab (of marble); bacteria on teeth”), from French plaquer, Middle French plaquer (“to plate”), from Middle Dutch placken (“to patch, beat metal into a thin plate”), from placke (“disk, patch, stain”), from Old Dutch *plagga (“patch”), from Proto-Germanic *plaggą (“patch”). The word is cognate with Middle Low German placke, plagge (“small stain, scraps, rags, thin grass”), German Placken (“spot, patch”), Saterland Frisian plak, plakke (“a blow, slap”), Swedish plagg (“clothing, garment”). Compare plack.