ferric oxide

Noun
  1. A red oxide of iron (synset 114889951)
    is a type of: oxide - any compound of oxygen with another element or a radical
    subtypes: rust - a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
    substance meronym:
    • rust, rusting - the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
    • haemosiderin, hemosiderin - a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism

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