lambda

English Online Dictionary. What means lambda‎? What does lambda mean?

English

Etymology

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

Pronunciation

• (UK, US) IPA^(key): /ˈlæm.də/

Noun

lambda (plural lambdas)

1. The eleventh letter of the Classical and Modern Greek alphabet, the twelfth of the Old Greek alphabet.
2. (physics, mathematics) Unit representation of wavelength.(Can we add an example for this sense?)
3. (physics) The cosmological constant.
4. (physics) Short for lambda baryon.
5. (programming) Short for lambda expression.
6. (programming) Short for lambda function.
7. (anatomy) The junction of the lambdoid and sagittal sutures of the cranium.
8. (finance) The percentage change in an option value divided by the percentage change in the underlying asset's price.

Synonyms

• (measure of derivative price sensitivity): elasticity, omega

Hypernyms

• (measure of derivative price sensitivity): Greeks (includes list of coordinate terms)

Derived terms

Related terms

• lambdacism

Translations

See also

• (Greek-script letter names) alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, omega

Catalan

Pronunciation

• IPA^(key): (Central, Balearic) [ˈlam.də]
• IPA^(key): (Valencia) [ˈlam.da]

Noun

lambda f (plural lambdes)

1. lambda; the Greek letter Λ (lowercase λ)

Czech

Noun

lambda n or f

1. lambda (Greek letter)

Declension

when feminine:

Indeclinable when neuter.

Dutch

Etymology

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

Pronunciation

Noun

lambda f (plural lambda's, diminutive lambdaatje n)

1. lambda (letter of the Greek alphabet)

Derived terms

Further reading

• lambda on the Dutch Wikipedia.Wikipedia ^nl

Finnish

Etymology

< Ancient Greek λάμβδα (lámbda)

Pronunciation

• IPA^(key): /ˈlɑmbdɑ/, [ˈlɑ̝mbdɑ̝]
• IPA^(key): /ˈlɑmdɑ/, [ˈlɑ̝mdɑ̝]
• Rhymes: -ɑmbdɑ
• Hyphenation^(key): lamb‧da

Noun

lambda

1. lambda (Greek letter)

Declension

Derived terms

French

Etymology

Borrowed from Ancient Greek λάμβδα (lámbda).

Pronunciation

• IPA^(key): /lɑ̃b.da/, /lɑ̃mb.da/, /lɑ̃m.da/

Noun

lambda m (plural lambda or lambdas)

1. lambda (Greek letter)
2. (finance) price elasticity of an option in relation to that of its holder
3. (ethology) the most ordinary member of a group
4. a former unit of capacity or volume equivalent to a microliter, whose symbol is λ
5. (acoustics) a level of intensity equivalent to forty decibels above the threshold for hearing a sound with a frequency of one kilohertz
6. Silver Y (moth)

   Synonym: noctuelle gamma

Usage notes

• Traditionally and most commonly, the plural is spelled without an s. However, according to the 1990 spelling reform, the plural should be spelled with an s.

Adjective

lambda (plural lambdas or lambda)

1. common, usual

Further reading

• “lambda”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Hungarian

Etymology

From Ancient Greek λάμβδα (lámbda).

Pronunciation

• IPA^(key): [ˈlɒmbdɒ]
• Hyphenation: lamb‧da
• Rhymes: -dɒ

Noun

lambda (plural lambdák)

1. lambda (Greek letter)

Declension

Icelandic

Noun

lambda n (genitive singular lambda, nominative plural lömbdu) or
lambda f (genitive singular lömbdu, nominative plural lömbdur)

1. lambda (Greek letter)

Declension

Italian

Noun

lambda m or f (invariable)

1. lambda (Greek letter)

Noun

lambda m (invariable)

1. (anatomy) lambda

Polish

Etymology

Learned borrowing from Ancient Greek λάμβδα (lámbda), from Phoenician 𐤋 (l‬ /⁠lāmed⁠/).

Pronunciation

• IPA^(key): /ˈlam.bda/
• Rhymes: -ambda
• Syllabification: lam‧bda

Noun

lambda f

1. lambda (Greek letter Λ, λ)
2. (physics) lambda baryon

Declension

Further reading

• lambda in Polish dictionaries at PWN

Portuguese

Pronunciation

• Hyphenation: lamb‧da

Noun

lambda m (plural lambdas)

1. lambda (name of the Greek letter Λ, λ)

Romanian

Etymology

Borrowed from Greek λάμβδα (lámvda).

Noun

lambda m (plural lambda)

1. lambda

Declension

Spanish

Pronunciation

• IPA^(key): /ˈlamda/ [ˈlãm.d̪a]
• Rhymes: -amda

Noun

lambda f (plural lambdas)

1. lambda; the Greek letter Λ, λ

Further reading

• “lambda”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10