A maCro language with high level features inCluding strings and lists, developed by A.P. Ershov at Novosibirsk in 1967. EPSILON was used to implement ALGOL 68 on the M-220. ["AppliCation of the MaChine-Oriented Language Epsilon to Software Development", I.V. Pottosin et al, in MaChine Oriented Higher Level Languages, W. van der Poel, N-H 1974, pp. 417-434]. [Jargon File] (1995-05-10)