Search results for 'principle':

principle noun 1 a general truth or assumption from which to argue. 2 a scientific law, especially one that explains a natural phenomenon or the way a machine works. 3 a general rule of morality that guides conduct; the having of or holding to such rules • a woman of principle. 4 (principles) a set of such rules. 5 technical a norm of procedure • the principle of primogeniture. 6 a fundamental element or source • the vital principle. 7 chem a constituent of a substance that gives it its distinctive characteristics. in principle said especially of agreement or disagreement to a plan, decision or action: in theory; in general, although not necessarily in a particular case • We approved the scheme in principle, subject to certain adjustments. on principle on the grounds of a particular principle of morality or wisdom.
ETYMOLOGY: 14c: from Latin principium beginning or source.