Definition of pyrometallurgy in English:

pyrometallurgy

noun

  • [mass noun] The branch of science and technology concerned with the use of high temperatures to extract and purify metals.

    ‘specialists in mineral processing and pyrometallurgy’
    • ‘Pyrometallurgy continues to be the principal means of metal production.’

Pronunciation:

pyrometallurgy

/ˌpʌɪrəʊmɪˈtaləːdʒi/