superhard

English

Etymology

From super- +‎ hard.

Pronunciation

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Adjective

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.

Noun

superhard (plural superhards)

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