noun
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a throwing of one thing into another (as to mix).
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a mixing of butter milk into fresh milk to convert it into curds.
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a changing of metals, as gold, to calx or powder by heating to a high temperature, but below the melting point; calcination.
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a contagious disease caused by a bacterium (Yersinia pestis) transmitted by fleas from infected rats, and characterised by buboes, fever, prostration, and delirium; plague.