importation noun5 •The act or an instance of importing."A subway would require the importation of workers from Russia," says a young man from Rīga. — 1989 •The act or an instance of carrying or conveying, especially into some system, place, area or country. •That which is imported; commodities or wares introduced into a country from abroad. •The use of a term which consists of formally foreign elements. •The logical law (P→(Q→R))⇒((P∧Q)→R). formsimportations