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

See also: porphyry

Encyclopedia: Porphyritic

• guillemot
• guilloche
• guillotine
• guilt
• guilt by association
• guilt feelings
• guilt pang
• guilt trip
• guilt-ridden
• guiltily
• guiltiness
• guiltless
• guiltlessness
• guilty
• guilty conscience
• guimpe
• Guine-Bissau
• guinea
• Guinea corn
• guinea flower
• guinea fowl
• guinea gold
• guinea gold vine
• Guinea grains
• guinea hen