having the power to cause change; having influence

the ability to stretch easily and then quickly return to the original shape

a racial group united by language, religion and customs

a type of American music known for its energetic beat and parts that musicians make up as they go along

a drawing made quickly that lacks detail

about the nerves or nervous system

an instrument that shows conditions in a machine, such as temperature, speed, pressure; in chemistry: a compound that changes color in the presence of an acid or a base

putting similar items into groups or sets

a constant e raised to a power equal to a given expression: e.g. e3x is the exponential of 3x.

a substance that has dissolved in a solvent and become part of the liquid, so that they form a solution