Any pygmy sunfish of the suborder Elassomatiformes

(economics) Of a good or service: such that consumer demand increases in line with the amount of money that consumers have available to spend.

Any fish of the subclass Elasmobranchii

(chemistry) A coefficient that describes the degree to which factors like temperature and pH affect the rate of a chemical reaction

(economics) Synonym of cross elasticity of demand

(mathematics) the point elasticity of one variable with respect to another between two given points

(economics) an economic metric that measures the responsiveness of a quantity supplied of a good to a change in its price, calculated as the percent change in supply over the percent change in price.

(mathematics) The ratio of the relative change in a function's output with respect to the relative change in its input, for infinitesimal changes at a certain point.

(economics) an economic metric that measures the responsiveness of a quantity demanded for a good to a change in income, calculated as the percent change in demand over the percent change in income

(economics) an economic metric that measures the responsiveness of the quantity demanded for a good to a change in the price of another good