Quadrant Vocabulary Flashcards

Vocabulary flashcards based on dictionary definitions, derivatives, and origins of the term quadrant.

Quadrant (Technical)

Each of four quarters of a circle, or each of four parts of a plane, sphere, space, or body divided by two lines or planes at right angles.

Quadrant (Historical Instrument)

An instrument used for taking angular measurements of altitude in astronomy and navigation, typically consisting of a graduated quarter circle and a sighting mechanism.

Quadrant (Nautical)

A frame fixed to the head of a ship's rudder, to which the steering mechanism is attached.

Quadrant (Mechanical)

A panel with slots through which a lever is moved to orient or otherwise control a mechanism.

Quadrantal

Adjective derivative of quadrant.

Quadrans

Latin word meaning 'quarter', derived from quattuor ('four'), which is the origin of quadrant.