a lotion for cleansing the skin and contracting the pores | the successful action of solving a problem |
a black or colored powder used in a printer to develop a xerographic image | a method for solving a problem |
a solution containing chemicals that can change the color of a photographic print | a statement that solves a problem or explains how to solve the problem |
| the set of values that give a true statement when substituted into an equation |
| a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution |