Hypotonicity and Osmotic pressure

Hypotonicity noun - (of a solution) the extent to which a solution has a lower osmotic pressure than some other.

Osmotic pressure and hypotonicity are semantically related. In some cases you can use "Osmotic pressure" instead a noun "Hypotonicity".

Osmotic pressure noun - (physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane.

Hypotonicity and osmotic pressure are semantically related. Sometimes you can replace term "Hypotonicity" with "Osmotic pressure", this terms are similar.