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Quartz vs Undefined - What's the difference?

quartz | undefined |

As a noun quartz

is (mineralogy) the most abundant mineral on the earth's surface, of chemical composition silicon dioxide, si]][[oxygen|o2 it occurs in a variety of forms, both crystalline and amorphous found in every environment.

As an adjective undefined is

lacking a definition or value.

quartz

English

(wikipedia quartz)

Noun

  • (mineralogy) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, Si]][[oxygen, O2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.

    • Derived terms

    () * Colorado topaz * drusy quartz * fused quartz * rose quartz * quartz clock * quartz crystal * quartz glass * quartz heater * quartz-iodine lamp * quartz lamp * quartz halogen lamp * quartz watch * quartziferous * quartzing * quartzite * quartzose * smoky quartz

    See also

    * amethyst * aventurine * buhrstone * cairngorm * chalcedony * chrysoprase * citrine * coesite * flint * greisen * phenacite * prase * rock crystal * rubasse * stishovite * topaz

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined