One of the mysteries of the English language finally explained.
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’
droplet, drop, dewdrop, bead, tear, ball, bubble, pearl, particleView synonyms
- ‘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.’
Late 18th century (as a term in copper mining, denoting rich copper ore remaining after removal of low-grade material): of unknown origin.
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