attrition

It is not a decisive war, with a single, signature victory, but a war of attrition.

But there is no consensus about what the attrition of ISIS looks like.

The past two months have been a war of attrition between the Hong Kong government and pro-democracy protestors.

Sen. Rand Paul has called for the “attrition if not an outright elimination of the IRS.”

Following the attrition of heavy industry in the 1980s, the income gap across the United Kingdom has grown substantially.

River sand is frequently used, but is not so good as pit sand on account of the particles being rubbed smooth by attrition.

When arising from rough friction or attrition, they are more commonly called abrasions.

How charming, how delightful, how inspiring is the eloquence which is kindled by the attrition of gifted minds!

Anti-attrition, an′ti-at-trish′on, n. anything which counteracts attrition or friction—also figuratively.

Neither of them had the slightest traces of gangue, or vein-matter, nor of attrition in being removed from the parent beds.