levigate \LEV-i-geyt\, verb:
1. To rub, grind, or reduce to a fine powder.
2. Chemistry. To make a homogeneous mixture of, as gels.
adjective:
1. Botany. Having a smooth, glossy surface; glabrous.
It is sufficient to levigate them with water to obtain them very white.
-- M. Richter, "Philosophical Magazine, Volume 23"
This clay, carefully levigated, and covered with an excellent glaze, yielded a red ware…
-- Samuel Smiles, "Josiah Wedgwood"
Levigate is derived from the Latin word lēvigātus meaning "to smooth."
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