[ahy-suh-ton-ik] /ˌaɪ səˈtɒn ɪk/
Also, isosmotic. Physical Chemistry. noting or pertaining to solutions characterized by equal osmotic pressure.
Compare (def 2), (def 2).
Music. of or characterized by equal tones.
(physiol) (of two or more muscles) having equal tension
(of a drink) designed to replace the fluid and salts lost from the body during strenuous exercise
Also isosmotic. (of two solutions) having the same osmotic pressure, commonly having physiological osmotic pressure Compare hypertonic, hypotonic
(music) of, relating to, or characterized by the equal intervals of the well-tempered scale: isotonic tuning
1828, from Greek isotonos “of level pitch; equally stretched,” from iso- (see iso-) + tonos (see tenet).
isotonic i·so·ton·ic (ī’sə-tŏn’ĭk)
i’so·to·nic’i·ty (-tə-nĭs’ĭ-tē) n.
noun 1. exercise or a program of exercises to increase muscular strength, power, and endurance based on lifting a constant amount of weight at variable speeds through a range of motion. 2. any specific exercise of this type. isotonic exercise n. Exercise in which isotonic muscular contraction is used to strengthen muscles and improve joint […]
noun, Pharmacology. 1. an aqueous solution of 0.9 percent sodium chloride, isotonic with the blood and tissue fluid, used in medicine chiefly for bathing tissue and, in sterile form, as a solvent for drugs that are to be administered parenterally to replace body fluids.
[ahy-suh-tohp] /ˈaɪ səˌtoʊp/ noun, Chemistry. 1. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to […]
- Isotope geology
noun 1. the study and application of stable and radioactive isotopes to geological processes and their time scales