D defs.my
Entry 4 senses Webster, 1913

Emulation

/ĕmˌ-yəl-āsh'-ən/ · Em·u·la·tion · IPA /ˌɛm.juˈleɪ̯.ʃən/
01 n. The endeavor to equal or to excel another in qualities or actions; an assiduous striving to equal or excel another; rivalry.
  1. 1.
    The endeavor to equal or to excel another in qualities or actions; an assiduous striving to equal or excel another; rivalry.
    “A noble emulation heats your breast.” Dryden.
  2. 2.
    Jealous rivalry; envy; envious contention.
    “Such factious emulations shall arise.” Shak.
  3. 3.
    imitation (of an admired model) for the purpose of improving one's own qualities.
    “[Chivalry was] an ideal which, if never met with in real life, was acknowledged by all as the highest model for emulation.” — Thomas Bulfinch (Mythology)
  4. 4.
    the imitation of the actions of a computer system or component, especially a processor, by means of a computer program, with the goal of predicting the behavior and performance characteristics of that system without actually manufacturing it.(Computers)
    “1996 marked the year that emulation became a mainstream design verification tool.” — Computer Design (editorial, 1998)