FOOL'S GOLD

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 Dictionary entry overview: What does fool's gold mean? 

• FOOL'S GOLD (noun)
  The noun FOOL'S GOLD has 1 sense:

1. a common mineral (iron disulfide) that has a pale yellow color

  Familiarity information: FOOL'S GOLD used as a noun is very rare.

 Dictionary entry details 

• FOOL'S GOLD (noun)

Sense 1

Meaning:

A common mineral (iron disulfide) that has a pale yellow color

Classified under:

Nouns denoting substances

Synonyms:

fool's gold; iron pyrite; pyrite

Hypernyms ("fool's gold" is a kind of...):

mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

Meronyms (substance of "fool's gold"):

atomic number 34; Se; selenium (a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite))