Term: quartz glass: colorless glass made of almost pure silica
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: clowder: a group of cats
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: circumflex artery of the thigh: an artery that supplies the hip joint and thigh muscles
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: launching pad: a platform from which rockets or space craft are launched
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: pipsissewa: any of several plants of the genus Chimaphila
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: flashiness: tasteless showiness
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: ichthyology: the branch of zoology that studies fishes
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: recapitulation: (music) the section of a composition or movement (especially in sonata form) in which musical themes that were introduced earlier are repeated
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: dining area: an area arranged for dining
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: siluriformes: an order of fish belonging to the superorder Malacopterygii including catfishes
Broader: natural glass: magma of any composition that cooled very rapidly | Unrelated: plexor: (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes