Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Of equal tension.
- adj. Isosmotic.
- adj. Having the same concentration of solutes as the blood: an isotonic saline solution.
- adj. Physiology Of or involving muscular contraction in which the muscle remains under relatively constant tension while its length changes.
Century Dictionary and Cyclopedia
- Having or indicating equal tones.
- In physical chemistry, possessing or producing equal osmotic pressures; especially, having salts dissolved in such proportion as to occasion no change of volume in red blood-corpuscles put in contact with the solution. Solutions having less concentration are called
hypotonic ; those having greater concentration, hypertonic.Poynting and. Thomson, Properties of Matter, p. 190. - Relating to isotonia.
Wiktionary
- adj. of two solutions having the same osmotic pressure
- adj. of a medical solution Having the same concentration of solutes as human blood.
- adj. of two muscles having equal tension
- adj. physiology Of or involving muscular contraction against resistance in which the length of the muscle changes. Antonym is isometric. Isotonic movements are either concentric (working muscle shortens) or eccentric (working muscle lengthens). See also Wikipedia:Isotonic (exercise physiology)
GNU Webster's 1913
- adj. Having or indicating, equal tones, or tension.
- adj. (Physiology, Biochemistry) Having an osmotic pressure (tonicity) equal to that of a reference solution; -- of aqueous solutions. Contrasting with
hypotonic andhypertonic . See hypertonic.
WordNet 3.0
- adj. of or involving muscular contraction in which tension is constant while length changes
- adj. of two or more muscles; having equal tension
- adj. relating to or characterized by the equal intervals of a musical scale
- adj. (used of solutions) having the same or equal osmotic pressure
Etymologies
- iso- + tonic (Wiktionary)
- iso- + Greek tonos, tension; see tone + -ic. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The magazine also included articles on fashion, food and gadgets such as the "Tensolator," which provided "bodybuilding isotonic tension," perhaps to make up for slow nights in the rumpus room.”
The Wall Street Journal: The Feminist Mystique of Hugh Hefner
“The company touts the beverage as an isotonic, vitamin-rich, no-additive beverage with natural regenerative powers that help athletes recover from a workout.”
The Huffington Post: Andrea Metcalf: Beer at the Finish Line?
“Erdinger market their beer, amusingly, as an isotonic, low-calorie, vitamin enriched sports drink.”
Alcohol-Free Beer News « We Don't Count Your Own Visits To Your Blog
“It deserves a sequel just like TS ... if you're too grown up to enjoy CARS, yea, whatever - go back to movies like SAW. isotonic”
Cars 2: New Release Date, Story Details, Short Car-Toons | /Film
“Enjoy with a bottle of isotonic energy drink, elctrolyte or just plain water”
“Well as I recall I drank a fine local brew although I think BSNYC was on the isotonic Guinness.”
“JozJonlin: Wow... most sports drinks are isotonic, or at least advertised as such at least in Spain, i don't know about the US, but i guessed they'd be the same”
Mythbusting: Four Myths About Staying Hydrated Debunked | Lifehacker Australia
“In the next phase of its growth, Ajemex is planning to introduce its own brands of low-priced isotonic sports drinks and bottled water.”
“There were rowing machines and spidery isotonic devices.”
“Because I'm not about to pay city prices for isotonic sports drinks.”
Lists
These user-created lists contain the word ‘isotonic’.
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October Words-11337
During the month of October, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has a...
amplification, till, osmosis, osmoregulation, pinocytosis, junction, transduction, paralysis, afflicted, isotonic, diverse, entrenched and 48 more...
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-tonic
notes in a musical scale; relating to music; muscles
pentatonic, diatonic, pretonic, myatonic, vagatonic, hematonic, isotonic, monotonic, tonic
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iso-
equal
isobar, isomer, isosceles, isogram, isogenics, isotonic, isotype, isomorphic, isodactylous
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Proficiency Words List
heparin, lymphoid, renal, filtration, accrete, acetic, equilibrate, trypsin, fungi, jubilant, detention, coprophagous and 14 more...
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Gallimaufry
...words to be reassigned as time allows.
vade, viduity, surd, thropple, horary, sorites, ancile, roscid, spraints, birl, marmite, voxel and 69 more...
Tweets
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lweber5@scf.edu Online Dictionary. Having the same concentration of solutes as the blood: an isotonic saline solution. Oct 6, 2010