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

• ephemerists
• ephemeron
• Ephemeroptera
• ephemerous
• Ephesian
• ephialtes
• ephod
• ephods
• ephor
• ephoralties
• ephoralty
• ephorate
• ephorates
• ephors
• epi-
• epibenthic
• epibenthos
• epiblast
• epiblastic
• epiblasts
• epic
• epical
• epically
• epicalyces
• epicalyx