Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

D

Dalton's atomic theory

set of postulates that established the fundamental properties of atoms


density

ratio of mass to volume for a substance or object


dimensional analysis

versatile mathematical approach that can be applied to computations ranging from simple unit conversions to more complex, multi-step calculations involving several different quantities