A hypothetical solution which exhibits no change of internal energy on mixing, whose volume is equal to the sum of the component volumes, and which obeys Raoult's law.
Origin
Early 20th century.
Definition of ideal solution in US English:
ideal solution
noun
Chemistry
A hypothetical solution which exhibits no change of internal energy on mixing, whose volume is equal to the sum of the component volumes, and which obeys Raoult's law.