English to English Dictionary

Economist

A person who studies or has expertise in economics.

Economizer

A mechanical device used as a heat exchanger to recover waste heat from a fluid, such as exhaust gases from a boiler, to preheat another fluid.

Economy

The state of a country or region in terms of the production and consumption of goods and services and the supply of money.

Economy-drive

A concerted campaign or organized effort by a government, business, or organization to reduce spending and conserve resources.

Ecosystem

A biological community of interacting organisms and their physical environment.

Ecosystem Chain

A sequence of organisms in an ecosystem that are linked by feeding relationships.

Ecosystem-Enhancement

The process of improving or augmenting the natural functions and services of an ecosystem.

Ecosystem-collapse

The major, directional transition of an ecosystem to a different state, characterized by the irreversible loss of its characteristic biotic composition, structures, and functions.

Ecotourism

Tourism directed toward exotic, often threatened, natural environments, intended to support conservation efforts and observe wildlife.

Ecstasy

An overwhelming feeling of great happiness or joyful excitement.

Ecstatic

Feeling or expressing overwhelming happiness or joyful excitement.

Ectoderm

The outermost layer of cells or tissue in an embryo, which develops into the skin and nervous system.