What is "germanium tetrachloride"

n. (context inorganic compound English) The binary compound GeCl₄ that is the germanium analog of carbon tetrachloride

Germanium tetrachloride is a colourless, fuming liquid with a peculiar, acidic odour. It is used as an intermediate in the production of purified germanium metal. In recent years, GeCl usage has increased substantially due to its use as a reagent for fiber optic production.