Examples from the Web for hypotonic
In a hypotonic solution they swell up and burst, the hmoglobin dissolving in the liquid and colouring it red.
We have thus two poles of diffusion of contrary signs, a hypotonic pole at the water drop, and a hypertonic pole at the salt drop.
It gains weight in a hypotonic solution, the water current setting towards the point of higher concentration.
Under the influence of such a hypotonic solution the dry cells rapidly swell up, burst, and are dissolved.
A bipolar field has a hypertonic pole or centre of concentration, and a hypotonic pole or centre of dilution.