isotonic

(redirected from isotonicity)
Also found in: Thesaurus, Medical, Encyclopedia.

i·so·ton·ic

 (ī′sə-tŏn′ĭk)
adj.
1. Of equal tension.
2. Isosmotic.
3. Having the same concentration of solutes as the blood: an isotonic saline solution.
4. Physiology Of or involving muscular contraction in which the muscle remains under relatively constant tension while its length changes.

[iso- + Greek tonos, tension; see tone + -ic.]

i′so·ton′i·cal·ly adv.
i′so·to·nic′i·ty (-tə-nĭs′ĭ-tē) n.

isotonic

(ˌaɪsəʊˈtɒnɪk)
adj
1. (Physiology) physiol (of two or more muscles) having equal tension
2. (of a drink) designed to replace the fluid and salts lost from the body during strenuous exercise
3. (Chemistry) Also: isosmotic (of two solutions) having the same osmotic pressure, commonly having physiological osmotic pressure. Compare hypertonic, hypotonic
4. (Classical Music) music of, relating to, or characterized by the equal intervals of the well-tempered scale: isotonic tuning.
isotonicity n

i•so•ton•ic

(ˌaɪ səˈtɒn ɪk)

adj.
1. of or pertaining to solutions with equal osmotic pressure.
2. Physiol.
a. of or pertaining to a muscular contraction in which the muscle shortens while tension increases, as in continuous lifting.
b. of or pertaining to a solution containing the same salt concentration as mammalian blood.
[1890–95; < German isotonisch (1882); see iso-, tonic]
i`so•to•nic′i•ty (-təˈnɪs ɪ ti) n.

isotonic

1. Describes solutions which have the same osmotic pressure.
2. Describes contraction that maintains the same tension in a muscle and shortens it.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.isotonic - (used of solutions) having the same or equal osmotic pressure
hypertonic - (of a solution) having a higher osmotic pressure than a comparison solution
hypotonic - (of a solution) having a lower osmotic pressure than a comparison solution
2.isotonic - relating to or characterized by the equal intervals of a musical scale; "isotonic tuning"
3.isotonic - of or involving muscular contraction in which tension is constant while length changes
physiology - the branch of the biological sciences dealing with the functioning of organisms
isometric - of or involving muscular contraction in which tension increases while length remains constant
4.isotonic - of two or more muscles; having equal tension
physiology - the branch of the biological sciences dealing with the functioning of organisms
tense - in or of a state of physical or nervous tension
Translations
isotonickýizotonický
isotonique
isotônico

isotonic

[ˌaɪsəʊˈtɒnɪk] ADJisotónico

i·so·ton·ic

a. isotónico-a, que tiene la misma tensión que otra dada;
___ exerciseejercicio ___.
References in periodicals archive ?
The drug formulations are optimized for isotonicity and pH most compatible for ophthalmic use, either as injectable or topical therapies.
8-10) According to the manufacturer, the rocuronium solution is adjusted to isotonicity with sodium chloride and to a pH of 4 with acetic acid and/or sodium hydroxide.
For example, some models do not have the properties of parallelism, isotonicity, uniqueness, and symmetry.
With in vivo studies, Oliver et al (1982) reported that most of the increase in urine osmolality above isotonicity occurs in the terminal 25% (last 2 mm) of the rat medullary collecting duct.