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

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

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.

An economy in which goods and services are exchanged in a market, as opposed to a state-controlled economy.

(economics) A not "too hot" or "too cold" economy, sustaining moderate economic growth and a low inflation allowing for a market-friendly monetary policy.

The Reichian theory, progressing from Freudian psychoanalysis, of the energy household of the human organism.

(economics) A sector of a nation's economy that is illegally undeclared and undocumented due to cash payments or tax avoidance