HyperDic: fool[s_gold

English > 1 sense of the expression *fool's gold*:
NOUN	substance	fool's gold, pyrite, iron pyrite	a common mineral (iron disulfide) that has a pale yellow color

English > *fool's gold*: 1 sense > noun 1, substance
Meaning	A common mineral (iron disulfide) that has a pale yellow color.
Synonyms	pyrite, iron pyrite
Broader	mineral	Solid homogeneous inorganic substances occurring in nature having a definite chemical composition
Substances	selenium, Se, atomic number 34	A toxic nonmetallic element related to sulfur and tellurium
Spanish	pirita
Catalan	pirita