philosopher's wool

Noun
  1. Oxide of zinc;
    A white powder used as a pigment or in cosmetics or glass or inks and in zinc ointment (synset 115132654)
    is a type of: oxide - any compound of oxygen with another element or a radical
    substance meronym: chinese white, zinc white - a white pigment used in house paints; consists of zinc oxide
    same as: flowers of zinc, philosophers' wool, zinc oxide

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