hydroprocessing

== English == === Etymology 1 === From hydro- +‎ processing. ==== Noun ==== hydroprocessing (uncountable) Any of several chemical engineering processes including hydrogenation, hydrocracking and hydrotreating, especially as part of oil refining. === Etymology 2 === From hydroprocess +‎ -ing. ==== Verb ==== hydroprocessing present participle and gerund of hydroprocess