epsilon

play
noun ep·si·lon \ˈep-sə-ˌlän, -lən\

Definition of epsilon

  1. 1 :  the 5th letter of the Greek alphabet — see alphabet table

  2. 2 :  an arbitrarily small positive quantity in mathematical analysis

epsilonic

play \ˌep-sə-ˈlä-nik\ adjective

Origin and Etymology of epsilon

Greek e psilon, literally, simple e


First Known Use: 15th century


Learn More about epsilon


Seen and Heard

What made you want to look up epsilon? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a dividing ridge between drainage areas

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!