fluoride

N ฟลูออไรด์  สารผสม ฟลูออรีน ใช้ ผสม ใน ยาสีฟัน  fu-o-rai

FLUORIDE

Flu "or *ide ( or; 1 4 ), n. Etym: [Cf. F. fluoride. ] (Chem. )

fluoride

fluor ide |ˈflo͝orˌīd, ˈflôr -ˈflʊ (ə )ˌraɪd ˈflɔˌraɪd | ▶noun Chemistry a compound of fluorine with another element or group, esp. a salt of the anion F − or an organic compound with fluorine bonded to an alkyl group. • sodium fluoride or another fluorine-containing salt added to water supplies or toothpaste in order to reduce tooth decay. ORIGIN early 19th cent.: from fluorine + -ide .

fluoride

fluoride |ˈflʊərʌɪd, flɔː -| ▶noun 1 Chemistry a compound of fluorine with another element or group, especially salt of the anion F − or an organic compound with fluorine bonded to an alkyl group. 2 [ mass noun ] sodium fluoride or another fluorine-containing salt added to water supplies or toothpaste in order to reduce tooth decay. ORIGIN early 19th cent.: from fluorine + -ide .

fluoride

flu o ride /flú ə ràɪd /名詞 U フッ化物, フッ素 〘虫歯予防用に飲料水 歯みがきに添加される 〙.