Colcothar

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Polishing rouge; a reddish-brown oxide of iron, used in polishing glass, and also as a pigment. countable, obsolete, uncountable

Synonyms

All synonyms
abrasivecrocus martisemeryfilepolishwax

Etymology

From Arabic قَلْقَطَار (qalqaṭār).

Related phrases

salt of colcotharcrocus martis

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.