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hydrometallurgy
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hydrometallurgy n. 
/ˌhʌɪdrə(ʊ)ˈmɛtlˌəːdʒi/,
Brit. /ˌhʌɪdrə(ʊ)mᵻˈtalədʒi/
, /ˌhʌɪdrə(ʊ)mᵻˈtalədʒi//ˌhʌɪdrə(ʊ)ˈmɛtlˌəːdʒi/U.S. /ˌhaɪdroʊˈmɛdlˌərdʒi/
[metallurgy n.] ‘the act or process of assaying or reducing ores in the wet way, or by means of liquid re-agents’ (Webster 1864)./ˌhaɪdroʊˈmɛdlˌərdʒi/<
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