Definition of phosphoric in English:

phosphoric

adjective

  • 1Relating to or containing phosphorus.

    • ‘This increased pollution in the water body by raising the phosphoric content in the lake, thereby encouraging weed growth.’
    • ‘3,500 million years ago in some warm little pond, with ammonia, phosphoric salts, light, heat etc. present, a protein compound was chemically formed to undergo.’
    • ‘Observers, however, revealed some irregularities, including the use of wooden and thus non-transparent ballot boxes and a weakened solution of phosphoric ink.’
    • ‘A soldier stepped on his head, he said, and someone broke a phosphoric light and spilled the chemicals on him.’
    • ‘It included: ‘Breaking chemical lights and pouring the phosphoric liquid on detainees.’’
    1. 1.1Chemistry
      Of phosphorus with a valence of five.
      Compare with phosphorous
      • ‘Just as sulfur forms sulfurous and sulfuric compounds, phosphorus forms phosphorous and phosphoric compounds.’
      • ‘For instance, the phosphoric compounds or polyvalent metal salts may be added to a water system continuously or intermittently to maintain their necessary concentrations.’

Origin

Late 18th century: from French phosphorique, from phosphore phosphorus.

Pronunciation:

phosphoric

/fäsˈfôrik/