lambda

noun
lamb·​da | \ ˈlam-də How to pronounce lambda (audio) \

Definition of lambda

1 : the 11th letter of the Greek alphabet — see Alphabet Table
2 : an uncharged unstable elementary particle that has a mass 2183 times that of an electron and that decays typically into a nucleon and a pion

First Known Use of lambda

15th century, in the meaning defined at sense 1

History and Etymology for lambda

Middle English, from Greek, of Semitic origin; akin to Hebrew lāmedh lamed

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Time Traveler for lambda

Time Traveler

The first known use of lambda was in the 15th century

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Dictionary Entries Near lambda

lambaste

lambda

lambda point

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Cite this Entry

“Lambda.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lambda. Accessed 30 Jun. 2022.

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More Definitions for lambda

lambda

noun
lamb·​da | \ ˈlam-də How to pronounce lambda (audio) \

Medical Definition of lambda

1 : the point of junction of the sagittal and lambdoid sutures of the skull

More from Merriam-Webster on lambda

Britannica.com: Encyclopedia article about lambda

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