Definition of "polymorphs" []

• Plural form of polymorph. (noun)

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• "Rutile is made up mostly of titanium dioxide with two rarer polymorphs anatase or octahedrite, which is a tetragonal mineral of pseudo-octahedral habit, and brookite, which is an orthorhombic mineral, the Doctor explained to her."
• "Like other complex impact structures, Vredefort Dome includes examples of shatter cones, planar deformation features in minerals, high pressure mineral polymorphs."
• "Kyanite and its related mineral “cousins,” sillimanite and andalusite, are called polymorphs."