a former Prussian province, now part of Hesse, Germany.
noun, Chemistry. 1. a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum-rhenium thermocouples. Symbol: Re; atomic number: 75; atomic weight: 186.2. noun 1. a dense silvery-white metallic element that has a high melting point. It occurs principally in gadolinite and molybdenite and is used, alloyed with tungsten […]
1. a combining form meaning “flow,” “current,” “stream,” used in the formation of compound words: rheoscope. combining form 1. indicating stream, flow, or current: rheometer, rheoscope rheo- pref. Current; flow: rheotaxis.
noun, Physiology. 1. the minimum electric current required to excite a given nerve or muscle. noun 1. (physiol) the minimum nerve impulse required to elicit a response from a tissue rheobase rhe·o·base (rē’ō-bās’) n. The minimal strength of an electrical stimulus that is able to cause excitation of a tissue. rhe’o·ba’sic adj.
noun 1. the study of the deformation and flow of matter. noun 1. the branch of physics concerned with the flow and change of shape of matter rheology rhe·ol·o·gy (rē-ŏl’ə-jē) n. The study of the deformation and flow of matter. rhe’o·log’i·cal (rē’ə-lŏj’ĭ-kəl) adj. rhe’o·log’i·cal·ly adv.