Noun
1. a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution;
"he used a solution of peroxide and water"2. a statement that solves a problem or explains how to solve the problem;
"they were trying to find a peaceful solution""the answers were in the back of the book""he computed the result to four decimal places"3. a method for solving a problem;
"the easy solution is to look it up in the handbook"4. the set of values that give a true statement when substituted into an equation
5. the successful action of solving a problem;
"the solution took three hours"