مقیاس

miqyās (n. of instr. fr. قاس (for قیس ) 'to measure'), s.m. A measuring instrument, a measure;—a probe with which the depth of a wound is measured;—style (of a dial), gnomon; hand (of a watch);—the nilometer (of Egypt):—miqyāsu`l-ḥarārat, A thermometer (syn. garmī-nāp):—miqyāsu`l-mā, A hydrometer (syn. pānī-nāp):—miqyāsu`l-mausim, A barometer (syn. pavan-nāp).