Vigreux column

noun
Vi·​greux column | \ vēˈgrə̄-\

Definition of Vigreux column

: a long unpacked glass tube for use in laboratory fractional distillation that is characterized by many deep pointed indentations in its sidewall and has an opening at the top for a thermometer and a side arm near the top for attachment to a condenser

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History and Etymology for Vigreux column

probably after Léon Vigreux †1891 French hydraulic engineer

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