IRT noun 4prepositional phrase 1forms 1 noun4 •The subway lines, collectively, formerly run by the Interborough Rapid Transit Company.Take the IRT to Atlantic and change for the R. •Initialism of item response theory. •Initialism of investigation and recovery team. •Initialism of independent review team prepositional phrase1 •Initialism of in reference to or in regard to. formsIRTs
