(mathematics) A time-dependent variable that starts in an initial state and stays in that state for a random time, when it makes a transition to another random state, and so on.

(organic chemistry) The synthesis of hydrocarbons by the catalytic hydrogenation of carbon monoxide.

Hot water for use in industrial processes.

A major industrial process for smelting aluminium, by dissolving alumina in molten cryolite and then performing electrolysis.

(statistics) A method of monitoring a process through the use of control charts.

Alternative spelling of interprocess communication

A step used in producing some Tennessee whiskeys, in which the whiskey is filtered through or steeped in charcoal chips before going into the casks for aging.

A process for toughening self-hardening steel by heating and cooling it to various temperatures in molten lead, oil, and air.

(metalworking) A method of coating iron or steel with magnetic iron oxide in order to minimize atmospheric corrosion. The articles to be treated are put into a closed retort and a current of superheated steam passed through for a period, followed by a current of producer gas (carbon monoxide), to reduce any higher oxides that may have been formed.

(inorganic chemistry) An industrial method for the production of sulphuric acid