Definitions for "Hypotonic"
having an osmotic pressure lower than that of another solution with which it is compared
refers to the solution in a concentration gradient having the lesser concentration ( of solute ). [ A hypotonic solution would have a greater concentration of solvent but a lesser concentration of solute than a hypertonic one.
Refers to a fluid whose osmolarity is lower than the osmolarity of normal extracellular fluid.
Keywords:  tone, floppy, muscle, limbs, tension
(of living tissue) lacking normal tone or tension
Decreased muscle tone beyond the normal
Low muscles tone, floppy, flexible limbs, may not be able to support body.
Extreme muscular weakness or atrophy.