plural of DRO

(slang) Marijuana grown hydroponically.

(space science) Abbreviation of distant retrograde orbit. / Abbreviation of digital readout.

Waste or impure matter. / Residue that forms on the surface of molten metal from oxidation. / The impurities in metal. / A waste product from working with metal.

(transitive) To remove dross from.

An open horse-drawn carriage, especially in Russia.

A device for measuring the amount of dew on a surface.

worthless

plural of drosometer

plural of droshky