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lambda

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lamb⋅da

[lam-duh]
–noun
1. the 11th letter of the Greek alphabet (Λ, λ).
2. the consonant sound represented by this letter.

Origin:
< Gk (m)bda < Sem; see lamed
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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lamb·da   (lām'də)   
n.  
  1. The 11th letter of the Greek alphabet. See Table at alphabet.

  2. A lambda baryon.


[Greek, of Phoenician origin; see lmd in Semitic roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Financial Dictionary

Lambda

A ratio comparing change in option price to a 1% change in option volatility.

Investopedia Commentary

It is the partial derivative of the option price with respect to the option volatility. Lambda is used as a synonym for vega, kappa, or sigma.

Related Links

Getting To Know The "Greeks"
The ABCs of Option Volatility

See also: Delta, Derivative, Gamma, Greeks, Option, Vega, Volatility

Investopedia.com. Copyright © 1999-2005 - All rights reserved. Owned and Operated by Investopedia Inc.
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Medical Dictionary

Main Entry: lamb·da
Pronunciation: 'lam-d&
Function: noun
1 : the point of junction of the sagittal and lambdoid sutures of the skull
2 : PHAGE LAMBDA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

lambda lamb·da (lām'də)
n.


  1. Symbol λ The 11th letter of the Greek alphabet.

  2. The craniometric point at the junction of the sagittal and lambdoid sutures.

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Computing Dictionary

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].

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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