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Noun: pitchstone  'pich,stown
  1. Dark acid granitic glass

Derived forms: pitchstones

Type of: volcanic glass

Encyclopedia: Pitchstone

Nearest

pitcherful
pitcher-plant family
pitcher's mound
pitcher-shaped
pitchfork
pitching
pitching change
pitching coach
pitching wedge
pitchman
pitchstone
pitchy
piteous
piteously
piteousness
pitfall
pith
pith hat
pith helmet
pithead
Pithecanthropus