Landing roll

The rotation of a spacecraft about its longitudinal axis (in the along-track direction) so as to cause a side-up or side-down attitude. The roll axis is referred to as the "y" ...

roll

Printing & publishing; Paper

Web of paper. Paper wound around a core or shaft to form a continuous roll or web of paper.

bearing surface

Aviation; General aviation

One of the surfaces of a flying-machine which bears, rests, or acts upon the air; a supporting surface; a sustaining surface; a wing surface; a spread of wing or sail.

breeze

Aviation; General aviation

A moderately brisk wind; a movement of the air not so strong as a gale or as a stiff breeze. The following are several different types of breeze: : ''fresh breeze,'' a breeze ...

anemometer

Aviation; General aviation

An instrument for measuring the velocity, pressure, or other properties of the wind; a wind-gage; a wind-meter. The following are different types of anemometer: : ''Biram's ...

aerial image

Aviation; General aviation

An image appearing suspended in the air, caused by the convergence of rays of light reflected or refracted from objects through strata of air of different densities; a mirage.

aerometry

Aviation; General aviation

The science of measuring the weight or density of air and other gases, and of determining the laws of their pressure, elasticity, rarefaction, and condensation; pneumatics.

bank

Aviation; General aviation

Incline or slant an aeroplane flying-machine laterally (with the inner side downward) in turning or going round a curve, so as to take advantage of the resistance of the bank or ...

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Industry/Domain: Boat Category: General boating

canoe

Canoes are paddle powered craft for exploring shallows to running white water. They are light-weight narrow boats with pointed ends and open top. They ...