diamond dust

American  

noun

1. pulverized diamonds, used as an abrasive.

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Etymology

Origin of diamond dust

First recorded in 1695–1705

Example Sentences

Could diamond dust -- in addition to its use in drug delivery to treat tumor cells -- one day become a novel contrast agent used for MRI?

From Science Daily

Based on an original painting sold last year, each piece is made with layers that include diamond dust and platinum leaf.

From Reuters

The custom guards included things like gold flakes, diamond dust and real $100 bills, the site said.

From Los Angeles Times

At the time of the two shows, temperatures were in the single digits above zero, with intermittent flurries and a confetti of ice crystals known as “diamond dust” glimmering in the predawn sky.

From Seattle Times

The people she meets are trying to reverse the course of man-made environmental disaster, whether that might involve electrifying a river, shooting diamond dust into the stratosphere or genetically modifying a species to extinction.

From New York Times