• Webster's Revised Unabridged Dictionary
    • n Slickens (Mining) The pulverized matter from a quartz mill, or the lighter soil of hydraulic mines.
    • ***
Century Dictionary and Cyclopedia
    • slickens The fine dust or powdered rock from an ore stamp-mill or rock-crusher.
    • slickens The lighter earth carried away in the sluices of a hydraulic mining operation.
    • ***


Webster's Revised Unabridged Dictionary
Cf. Slick (n.)


In literature:

Where this occurs the slicken-sided character is very marked.
"Asbestos" by Robert H. Jones

In news:

No matter how much I jacked the revs while working the gearbox on deserted, rain-slickened byways at night, my Subaru Legacy's all-wheel-drive system (and its limited slippage) kept my car planted firmly on the asphalt.
Freezing drizzle starting to slicken Heartland roadways.