ballas

[bal-uh s]
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noun (used with a singular verb) Mineralogy.

a spherical aggregate of small diamond crystals used for drilling and for various industrial purposes.

Nearby words

  1. ballance,
  2. ballantyne,
  3. ballarat,
  4. ballard,
  5. ballardian,
  6. ballast,
  7. ballast line,
  8. ballast pocket,
  9. ballast resistor,
  10. ballata

Origin of ballas

apparently variant of balas in phrase balas ruby spinel ruby, balas being taken to mean “spinel”

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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