U.S. Treasury securities. Definition: Interest-bearing obligations if the U.S. government issued by the U.S. Department of the Treasury as a means of borrowing money to meet government expenditures not covered by tax revenues. There are three types of marketable Treasury securities-bills, notes and bonds.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Rigorous(adj) manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.
stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal. firmly fixed or set. inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior. exacting; thorough; rigorous: a rigid examination. so as to meet precise standards; stringent: lenses ground to rigid specifications.