1. (of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals

See also: porphyry

Encyclopedia: Porphyritic

• subtleness
• subtlety
• subtly
• subtonic
• subtopia
• subtotal
• subtract
• subtracter
• subtraction
• subtractive
• subtrahend
• subtreasury
• subtropic
• subtropical
• subtropics
• subtype
• Subularia
• Subularia aquatica
• subulate
• subunit
• suburb
• suburban
• suburban area
• suburbanise
• suburbanised