Definition of prill in English:



  • A pellet or solid globule of a substance formed by the congealing of a liquid during an industrial process.

    ‘the consistency of fertilizer prills has a major effect on nitrogen application’
    • ‘They can use this on-site to mix the fuel oil with the ammonium nitrate prill,’ Adama says.’
    • ‘The prill is then weighed, flattened out and rolled until very thin, and then placed in nitric acid, which dissolves away or parts the silver.’
    droplet, drop, dewdrop, bead, tear, ball, bubble, pearl, particle
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Late 18th century (as a term in copper mining, denoting rich copper ore remaining after removal of low-grade material): of unknown origin.