lambda

Etymology

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

noun

  1. The eleventh letter of the Classical and Modern Greek alphabet, the twelfth of the Old Greek alphabet.
  2. Unit representation of wavelength.
  3. (physics) The cosmological constant.
  4. (computing, programming) A lambda expression.
  5. (anatomy) The junction of the lambdoid and sagittal sutures of the cranium.
  6. (physics) A lambda baryon.
  7. (finance) The percentage change in an option value divided by the percentage change in the underlying asset's price.

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