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In electrochemistry, lambda denotes the "equivalent conductance" of an electrolyte solution. In cosmology, lambda is the symbol for the cosmological constant, a term added to some dynamical equations to account for the accelerating expansion of the universe. In optics, lambda denotes the grating pitch of a Bragg reflector. Also in optics, it ...
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.
The symbol in Americanist phonetic notation for the voiceless alveolar lateral fricative is the Greek letter lambda λ , but ɬ in the IPA. The IPA symbol for the palatal lateral approximant is ʎ , which looks similar to lambda, but is actually an inverted lowercase y.
The letter lambda (Λ), standing for Laconia or Lacedaemon, which was painted on the Spartans' shields, was first adopted in 420s BC and quickly became a widely known Spartan symbol. [40] [dubious – discuss] Military families passed on their shields to each generation as family heirlooms.
The white knot is a symbol of support for same-sex marriage in the United States. The white knot combines two symbols of marriage, the color white and "tying the knot," to represent support for same-sex marriage. [117] The white knot has been worn publicly by many celebrities as a means of demonstrating solidarity with that cause. [118]
Lambda architecture, a data-processing architecture; Lambda expression (disambiguation) Lambda baryon, a subatomic particle; Lambda calculus, a formal system for function definition; Lambda Lambda Lambda, a fictional college fraternity in the Revenge of the Nerds series Lambda Lambda Lambda, an American fraternity inspired by the fictional ...
The barred lambda ( ƛ) (U+A7DC LATIN CAPITAL LETTER LAMBDA WITH STROKE, U+019B ƛ LATIN SMALL LETTER LAMBDA WITH STROKE), is a modified letter of the Greek alphabet, commonly encountered in North American linguistics. It is used by the Salishan and Wakashan languages in Canada. [1]
English: Lambda symbol of Gay pride. First used in 1970 as a symbol representing Gay rights and liberation . This graphic is a slight modification of lowercase Greek alphabet letter λ .