noun

lambda

LAM-duh/ˈlæmdə/

The eleventh letter of the Greek alphabet.

The two tiles show uppercase and lowercase forms of lambda.

Two simple ivory letter tiles displaying uppercase Λ and lowercase λ side by side, making the Greek letter itself the sole subject.

Etymology

Greek lambda names the letter corresponding to Roman L. Its name comes from a Semitic source akin to Hebrew lamedh, preserving an older alphabetic name.

In context

CosmoLearning1:08

lambda lambda is the letter L in Greek and Plato's a Greek so he has very few choices when he takes letters

History of Arch Lecture 24 Rome Under Julius II

More examples

In the Greek alphabet, lambda comes between kappa and mu.
A capital lambda looks like an upside-down V.
The symbol lambda represents wavelength in this equation.

Forms

lambda · lambdas