See also: incorporation. INFUSION, med. jur. A pharmaceutical operation, which consists in pouring a hot or cold fluid upon a substance, whose medical properties it is desired to extract. Infusion is also used for the product of this operation.
A proportion is an equation with a ratio on each side. It is a statement that two ratios are equal. 3/4 = 6/8 is an example of a proportion. When one of the four numbers in a proportion is unknown, cross products may be used to find the unknown number.
A ratio is a way of expressing the relative sizes of parts of a group. Ratios are used often in baking, science, and and any time you want to compare or exchange amounts of something. When two ratios are equivalent, they are in proportion.