lambda

The 11th letter of the Greek alphabet.

The name of the Greek letter Λ, λ (equivalent to the Roman L, l).

In craniology, the junction of the sagittal and lambdoid sutures at the apex of the latter. See cut under craniometry.

A British collectors’ name for a common Old World noctuid moth, Plusia gamma, occurring in Europe, China, Japan, and India, and also, probably by introduction, in South America.

The name of the Greek letter Λ, λ, corresponding with the English letter L, l.

The point of junction of the sagittal and lambdoid sutures of the skull.

A subatomic particle carrying no charge, having a mass equal to 2183 times that of an electron; it decays rapidly, typically forming a nucleon and a pion.

a moth so called from a mark on its wings, resembling the Greek letter lambda (Λ).

The eleventh letter of the Classical and Modern Greek, the twelfth of the Old Greek.

Unit representation of wavelength.