- (also dental floss)
a type of very thin string that is used for cleaning between the teeth 牙線: 一種非常細的線,用於清潔牙齒之間 thin silk thread see also candyfloss絲線
Word Originmid 18th cent.: from French (soie) floche ‘floss (silk)’, from Old French flosche ‘down, nap of velvet’, of unknown origin.