Politics

Politics

1) Social relations involving authority or power. 2) The art or science of governing.

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ultraviolet radiation

Astronomy; Mars

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

self-supporting debt

Financial services; General Finance

Bonds sold to finance a project that will produce enough revenue through tolls or other charges to retire the debt . See: revenue bond.

telemetry

Astronomy; Mars

The use of telemeters for measuring and transmitting data.

achromatic objective

Astronomy; General astronomy

A lens of two or more components with different refraction indices (e.g., crown glass and flint glass), used to correct for chromatic aberration.

heterosporous

Plants; Flowers

Producing two different sizes or kinds of spores. These may come from the same or different sporangia, and may produce similar or different gametophytes.

withholding

Financial services; General Finance

Used in the context of securities, the illegal practice of a public offering participant keeping some shares in a private account or with a family member, employee, or dealer to ...