(obsolete) The regular operation of nature in the generation, nutrition and preservation of animals or plants.

Cheap to run; using minimal resources; representing good value for money; economical.

(US) In or via the part of a commercial passenger airplane reserved for those paying the lower standard fares.

plural of economy

(cricket) A bowler's statistic, being the average number of runs conceded per over.

A hypothetical future economy in which the primary form of stored energy for mobile applications and load balancing is hydrogen (H₂), and, in particular, hydrogen replaces fossil fuels in automobiles.

A post-carbon economy, based on lithium fuel cells for the generation of power.

A car, usually small and lightweight, designed for low-cost operation.

A low-cost, no-frills version of a merchandise item, especially where a larger selection of more lavishly equipped models of the same item exist.

(psychology, psychiatry) A system of behavior modification based on the principles of operant conditioning; patients are rewarded with tokens (reinforcers) for engaging in desirable activities.