isotonic
iso·ton·ic
adj \ˌī-sə-ˈtän-ik\Definition of ISOTONIC
1
: of, relating to, or exhibiting equal osmotic pressure <isotonic solutions>—compare hypertonic 2, hypotonic 2
2
: of, relating to, or being muscular contraction in the absence of significant resistance, with marked shortening of muscle fibers, and without great increase in muscle tone—compare isometric 2
—iso·ton·i·cal·ly \-i-k(ə-)lē\ (audio pronunciation) adverb
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