a chemical formula showing the ratio of elements in a compound rather than the total number of atoms

derived from experiment and observation rather than theory

relying on medical quackery

a group of symbols that make a mathematical statement

directions for making something

a conventionalized statement expressing some fundamental principle

something regarded as a normative example

a representation of a substance using symbols for its constituent elements

(mathematics) a standard procedure for solving a class of mathematical problems

a liquid food for infants