paragenesis /par-ə-jenˈi-sis/ or paragenesia /par-ə-jin-ēˈzi-ə/ (geology)

1. The order in which minerals have developed in a given mass of rock
2. The development of minerals in such close contact that their formation is affected and they become a joined mass

paragenetˈic adjective

• octahedral
• octahedrite
• octahedrites
• octahedron
• octahedrons
• octal
• octals
• octamerous
• octameter
• octameters
• Octandria
• octandrian
• octandrous
• octane
• octane number
• octane numbers
• octane rating
• octane ratings
• octanes
• octangular
• Octans
• octant
• octantal
• octants
• octapla