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.
1. lacking firmness; not strict. 2. lacking precision or definition. 3. not taut. 4. (Phonetics & Phonology) phonetics (of a speech sound) pronounced with little muscular effort and consequently having relatively imprecise accuracy of articulation and little temporal duration. In English the vowel i in bit is lax.