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lambda

n. countable
C2 Proficiency US //ˈɫæmdə// UK //lˈæmbdɐ// lamb·da

n. the eleventh letter of the Greek alphabet. In math and science, people use this symbol to represent specific ideas like wavelength or a type of calculation in computer code.

n. the eleventh letter of the Greek alphabet (Λ, λ). Used as a symbol for wavelength in physics, an eigenvalue in linear algebra, or to denote anonymous functions in computer programming.


SIMPLE

The scientist used the Greek letter lambda to represent the wavelength.

CONTEXTUAL

In functional programming, a lambda allows you to define a small function without giving it a specific name.

COMPLEX

The physicist calculated the precise value of lambda to determine how the light wave would refract through the experimental lens.

Origin

From Ancient Greek λάμβδα (lámbda). Doublet of lamed.

Usage

Often used as a mathematical variable or a symbol in scientific formulas.

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