正せい規き直ちょっ交こう系けいMeaningsNoun1. normalized orthogonal system; normalised orthogonal systemKanji used正correct規criteria直straight交mingle系lineageComposed of正せい規きregular; normal; formal; legal; established; legitimateNo-adjective直ちょくdirect; night duty; night watch; being on duty (in a factory); shiftNo-adjective交こうassociation; fellowship; change (of season, year, etc.)Noun系けいsystem; lineage; group; corollary; system (range of strata that correspond to a particular time period); (taxonomical) seriesNoun