Definitions

from The Century Dictionary.

  • noun A machine for breaking rock and stones, in which the material to be broken passes between two jaws, one or both of which are movable. It is by machinery of this kind that stones are usually broken for road-metal.

Etymologies

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Examples

  • The ore to be treated is first calcined, then put through a rock-breaker or stamper battery in a perfectly dry state.

    Getting Gold: a practical treatise for prospectors, miners and students

  • "Saxifrage isn't; Helen told me the name meant 'rock-breaker,' because some kinds grow in the clefts of rocks the way the columbines do."

    Ethel Morton's Enterprise 1903

  • Senior Telugu Desam Party leader and local MLA E Dayakar Rao said the rock-breaker is being brought from Kurnool district.

    Daily News & Analysis 2010

  • Rescue officials said they needed a rock-breaker to remove the rocks that came in the way while digging the parallel pit.

    Daily News & Analysis 2010

  • Senior TDP leader and local MLA E Dayakar Rao said a rock-breaker was being brought from neighbouring Kurnool district.

    The Times of India 2010

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