natural_glass
1. [ noun ] (chemistry) magma of any composition that cooled very rapidly
Related terms: glass quartz_glass tektite
Similar spelling:   natural_gas
  natural_law
  natural_state
  natural_shape
  natural_resin
  naturalist
  naturalism
  naturalise
  natural_spring
  naturalness
  naturalised
  natural_history
  natural_science
  natural_process
  naturalistic
  natural_language
  natural_resource
  natural_order
  natural_fibre
  natural_fiber
  natural_event
  natural_covering
  naturalize
  natural_object
  natural_number
  natural_virtue
  naturalisation
  natural_action
  naturalized
  natural_ability