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

Encyclopedia: Pyroclastic

• whittle
• whittle away
• whittle down
• whittler
• Whitweek
• whity
• whiz
• whiz-kid
• whizbang
• whizbang shell
• whizz
• whizz along
• whizz-kid
• whizzbang
• who
• who'd
• who'll
• who's
• whoa
• whodunit
• whodunnit
• whoever
• whole
• whole blood
• whole caboodle