| 释义 |
vi·greux column
\vēˈgrə̄-\ noun
Usage: usually capitalized V
Etymology: probably after Léon Vigreux died 1891 French hydraulic engineer
: 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 |