1. Decomposed rock, usually reddish or ferruginous, forming the upper part of a metallic vein

Derived forms: gossans

Encyclopedia: Gossan

• preponderant
• preponderantly
• preponderate
• preponderating
• prepone
• prepose
• preposition
• prepositional
• prepositional object
• prepositional phrase
• prepositionally
• prepositive
• prepossess
• prepossessing
• prepossession
• preposterous
• preposterously
• prepotency
• prepotent
• preppie
• preppy
• preprandial
• preprint
• prepubertal
• prepuberty