diamond dust

noun

1. pulverized diamonds, used as an abrasive.

Word History and Origins

Origin of diamond dust¹

First recorded in 1695–1705

Example Sentences

In doing so, they found zinc atoms that harden and sharpen the tooth, like diamond dust on a blade.

From Popular-Science

The prince pounded the diamond to powder, and wrote the lady a letter strewed with the diamond dust as drying sand.

From Project Gutenberg

To make a very deep scratch, a wheel armed with diamond dust, which will be described later on, may be used.

From Project Gutenberg

For this purpose it is before all things necessary that real diamond dust should be obtained.

From Project Gutenberg

The wheel being set up correctly, the next step is to arm it with diamond dust.

From Project Gutenberg

If it does not, a little diamond dust rubbed into the side of the wheel, as well as the edge, will do all that is required.

From Project Gutenberg