Any moth of the subfamily Elachistinae

plural of elachistine

The deity Elagabal, venerated in ancient times at Emesa in Syria (and later elsewhere in the Roman Empire), identified with a large black stone.

A gonadotropin-releasing hormone antagonist (GnRH antagonist) medication used to treat pain associated with endometriosis.

(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