1. Composed of or inscribed on rock
   - rupestral 
2. Growing on or living among rocks
   - saxicolous, saxatile, saxicoline, rupestral

See also: rock

• epizoan
• epizoic
• epizoon
• epizootic
• epoch
• epoch-making
• epochal
• epode
• Epona
• eponym
• eponymic
• eponymous
• eponymy
• epos
• epoxy
• epoxy glue
• epoxy resin
• EPROM
• EPS
• epsilon
• Epsilon Aurigae
• epsilon toxin
• Epsom salts
• Epstein
• Epstein-Barr virus