Phrygian stone
noun1
Ancient Rome A light, spongy stone, resembling a pumice (or perhaps the pumice itself), used for dyeing, and said to be drying and astringent.
noun
Ancient Rome A light, spongy stone, resembling a pumice (or perhaps the pumice itself), used for dyeing, and said to be drying and astringent.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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