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superhard

From Wiktionary, the free dictionary

English

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English Wikipedia has an article on:
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Etymology

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From super- +‎ hard.

Pronunciation

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  • Audio (US):(file)

Adjective

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superhard (comparative more superhard, superlative most superhard)

  1. Having a very high hardness.
  2. Highly strengthened against attack.
    a superhard missile silo
  3. (not comparable, mineralogy) Having a hardness between that of boron nitride and that of diamond.
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Noun

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superhard (plural superhards)

  1. (motor racing) A tyre whose compound is harder than a normal hard tyre.
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