ferric oxide

English Thesaurus

1. a red oxide of iron (noun.substance)

hypernym	:	oxide,
definition	:	any compound of oxygen with another element or a radical (noun.substance)

hyponym	:	rust,
definition	:	a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture (noun.substance)

substance meronym	:	rust, rusting,
definition	:	the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water (noun.process)

substance meronym	:	haemosiderin, hemosiderin,
definition	:	a granular brown substance composed of ferric oxide; left from the breakdown of hemoglobin; can be a sign of disturbed iron metabolism (noun.substance)