# Lambda

[lam-duh] /ˈlæm də/

**noun**

1.

the 11th letter of the Greek alphabet (Λ, λ).

2.

the consonant sound represented by this letter.

/ˈlæmdə/

**noun**

1.

the 11th letter of the Greek alphabet (Λ, λ), a consonant transliterated as l

n.

Greek letter name, from a Semitic source akin to Hebrew lamedh.

lambda lamb·da (lām’də)

n.

**adj.**

Of, relating to, or characterizing a polypeptide chain that is one of two types of light chains present in immunoglobins.

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].

Tagged: l

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A term in lambda-calculus denoting a function. A lambda abstraction begins with a lower-case lambda (represented as “\” in this document), followed by a variable name (the “bound variable”), a full stop and a lambda expression (the body). The body is taken to extend as far to the right as possible so, for example an […]

- Lambda-b baryon
[lam-duh-bee] /ˈlæm dəˈbi/ noun, Physics. 1. a protonlike baryon containing a b quark; a neutral baryon with a mass 11,000 times that of the electron and a mean lifetime of approximately 1.1 X 10 -12 seconds.

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lambda-b particle (lām’də-bē’) An electrically neutral baryon having a mass 11,000 times that of the electron and a mean lifetime of approximately 1.1 × 10-12 seconds. See Table at subatomic particle.

- Lambda-calculus
mathematics (Normally written with a Greek letter lambda). A branch of mathematical logic developed by Alonzo Church in the late 1930s and early 1940s, dealing with the application of functions to their arguments. The pure lambda-calculus contains no constants – neither numbers nor mathematical functions such as plus – and is untyped. It consists only […]