lambda

lambda

(λ)

1. The 11th letter of the Greek alphabet, used in stellar nomenclature usually to designate the 11th-brightest star in a constellation or sometimes to indicate a star's position in a group.

2. Symbol for wavelength or longitude.

lambda

[′lam·də]

(mechanics)

A unit of volume equal to 10^-6 liter or 10^-9 cubic meter.

lambda

Greek letter adopted as symbol by gay liberation movement. [Am. Pop. Cult.: Misc.]

See: Homosexuality

LAMBDA

A version of typed lambda-calculus, used to describe semantic domains.

["Outline of a Mathematical Theory of Computation", D.S. Scott, TM PRG-2, PRG, Oxford U, 1971].

lambda

The Greek letter "L," which is used as a symbol for "wavelength." A lambda is a particular frequency of light, and the term is widely used in optical networking. Sending "multiple lambdas" down a fiber is the same as sending "multiple frequencies" or "multiple colors." See WDM and wavelength.

Lambda

The symbol above the word "wavelength" in this diagram is the Greek Lambda.