Definition of mundic in US English:

mundic

(also mundick)

noun

  • Pyrites; especially iron pyrites. Also with distinguishing word, usually an adjective of colour, denoting particular varieties.

Origin

Mid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. Origin uncertain; perhaps from an unattested Cornish compound from men stone + teg pretty.

Pronunciation

mundic

/ˈmʌndɪk/