Alligation is a mathematical method used to find the ratio of two or more ingredients in a mixture of substances. This word is often used in chemistry and pharmacy to calculate the amount of an active ingredient needed to make a particular drug. Synonyms for alligation include mixture, combination, proportion, ratio, blending, and composition. Alligation can also be referred to as weighting problems, and considered a problem-solving technique to figure out the right combination of ingredients to make a desired solution. It is an important concept to understand, especially in the manufacturing and production industries, as it helps ensure the accuracy and quality of end products.