1. Made up of or containing rock fragments or ash from a volcanic eruption

Encyclopedia: Pyroclastic

• favourable position
• favourable reception
• favourableness
• favourably
• favoured
• favourite
• favourite son
• favouritism
• favus
• Fawkes
• fawn
• fawn lily
• fawn-colored
• fawn-coloured
• fawner
• cystic vein
• cysticercus
• cystine
• cystitis
• cystocele
• cystoid macular edema
• cystolith
• cystoparalysis
• Cystophora
• Cystophora cristata