Definition of Chile saltpetre in English:

Chile saltpetre

noun

  • another term for sodium nitrate, especially as a commercial product
    • ‘Iodine is mined as sodium iodate, NaIO 3, which is present in Chile saltpetre.’
    • ‘In 1913 the only commercial fertilizer was Chile saltpetre, and it was running out.’
    • ‘They also get then some Chile saltpetre to get the growth in it again.’
    • ‘These products had long helped to boost farmers’ yields, and DAVV's hardest competition came initially from imported Chile saltpetre.’
    • ‘The most common mineral is rock salt (sodium chloride, NaCl, or halite), but it occurs in many other minerals including sodium borate, sodium carbonate, sodium nitrate (Chile saltpetre).’

Pronunciation

Chile saltpetre

/ˌtʃɪli sɔːltˈpiːtə/