English
hydrodemetallization
From hydro- + demetallization.
A compound of hydro- + demetallization
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Today it means
noun The removal of metal from hydrocarbons during oil refining by any of several hydrotreating methods
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrodemetallization