Liberal Dictionary English Dictionary
fool’s gold Word Origin noun
- iron or copper pyrites, sometimes mistaken for gold.
Origin of fool’s gold An Americanism dating back to 1870–75 British Dictionary definitions for fool’s gold fool’s gold noun
- any of various yellow minerals, esp pyrite or chalcopyrite, that can be mistaken for gold
fool’s gold in Science fool’s gold [fōōlz]
- Any of several minerals, especially pyrite and chalcopyrite, sometimes mistaken for gold.