noun

epsilon

EP-sih-lahn/ˈepsɪlɑːn/

The fifth letter of the Greek alphabet.

The parchment shows uppercase and lowercase epsilon.

Uppercase and lowercase Greek epsilon Ε ε clearly inscribed as essential letter subjects on plain parchment, no other text.

Etymology

The name means “bare e,” distinguishing the single letter from ai, which had come to represent the same sound. The deeper origin of the “bare, simple” component is uncertain.

In context

Andrew Misseldine14:56

we use the symbol right here kind of looks like an e um it looks more like the greek letter epsilon here

Sets

More examples

She wrote epsilon after delta in the alphabet exercise.
A small epsilon marked the quantity in the proof.
The textbook distinguished epsilon from the Latin letter e.

Forms

epsilon