Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Aeronautics

hydrogen bomb

Aviation; Aeronautics

A nuclear weapon in which two light elements such as deuterium and tritium are forced together under extreme conditions of heat and pressure. When two of the light nuclei join ...

positive number

Aviation; Aeronautics

A number greater than zero.

negative number

Aviation; Aeronautics

A number less than zero. It is a number preceded by a minus sign.

subscript

Aviation; Aeronautics

A number or letter written to the right of, and partially below, an abbreviation or a number. In gas turbine engine operation, the symbol PAm identifies ambient pressure. “P” ...

constant

Aviation; Aeronautics

A number or symbol that has a fixed value for a given condition. An example of a constant useful in aviation maintenance is the relationship between the circumference of a circle ...

Beaufort scale

Aviation; Aeronautics

A number rating from zero to 12, used by the weather bureau to describe wind speed. : Beaufort Velocity : Force (knots) Indication : 0 less than 1 smoke rises vertically : 1 1 – 3 ...

coefficient of linear expansion

Aviation; Aeronautics

A number relating the change in the length of an object to the change in its temperature. The coefficient of linear expansion is expressed in such terms as fractions of an inch ...