dental floss

American  

noun

1. a soft, strong, waxed or unwaxed thread, usually made of nylon, for drawing between the teeth to remove food particles and prevent the buildup of plaque.

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dental floss British  

noun

1. a soft usually flattened often waxed thread for cleaning the teeth and the spaces between them

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Etymology

Origin of dental floss

An Americanism dating back to 1905–10

Example Sentences

Dental floss, which is usually made of nylon or Teflon, should also stay out of the toilet.

From New York Times • Aug. 25, 2018

Dental floss is sometimes employed for surgical stitches.

From New York Times • May 7, 2013

Dental floss can also be used as an emergency shoelace.

From New York Times • Dec. 10, 2012

Dental floss is generally needed to remove particles that have lodged between the teeth.

From American Red Cross Text-Book on Home Hygiene and Care of the Sick by Cross, American Red