(inorganic chemistry) The nitrogen-fixation reaction of nitrogen gas and hydrogen gas, over an enriched iron or ruthenium catalyst, used industrially to produce ammonia.

(physics) The spreading of an electric charge to areas removed from its originating atom or ion.

(sumo) a kimarite in which the attacker places a leg in front of his opponent's leg, at the knee, then sweeps back with his leg and pulls the opponent forward over the leg.

Third-person singular simple present indicative form of forstaa