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WordReference Random House Learner's Dictionary of American English © 2024floss /flɔs, flɑs/USA pronunciation n. [uncountable]- Textiles
- embroidery thread of silk or cotton.
- strong thread used to clean between the teeth.
v. - Dentistryto use dental floss on (the teeth): [no object]to floss regularly.[~ + object]flosses her teeth.
WordReference Random House Unabridged Dictionary of American English © 2024floss (flôs, flos),USA pronunciation n. - Textilesthe cottony fiber yielded by the silk-cotton tree.
- Textilessilk filaments with little or no twist, used in weaving as brocade or in embroidery.
- any silky, filamentous matter, as the silk of corn.
- DentistrySee dental floss.
v.i. - Dentistryto use dental floss on the teeth.
v.t. - Dentistryto clean (the teeth) with dental floss. Also called floss′ silk′ (for defs. 1-3).
- French floche, as in soie floche floss silk, Old French flosche down, velvet pile (of uncertain origin, originally)
- probably 1750–60
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