steam cracking

== English == === Noun === steam cracking (uncountable) (organic chemistry) The cracking of petroleum hydrocarbons, at high temperature in the presence of steam, in order to produce ethylene, propylene and other light alkenes ==== Translations ==== == Italian == === Etymology === Unadapted borrowing from English steam cracking. === Noun === steam cracking m (uncountable) steam cracking Synonym: piroscissione a vapore