hypotonic
Concise Oxford English Dictionary © 2008 Oxford University Press:
hypotonic /ˌhʌɪpə(ʊ)ˈtɒnɪk/
▶adjective
- 1 Biology having a lower osmotic pressure than a particular fluid.
- 2 Physiology of or in a state of abnormally low muscle tone.
– derivatives
hypotonia noun,
hypotonicity noun.
hypotonia noun,
hypotonicity noun.
'hypotonic' also found in these Oxford entries:

