expert system


Definition of expert system

: computer software that attempts to mimic the reasoning of a human specialist

Examples of expert system in a Sentence

Recent Examples on the Web This allows the expert system to plot the optimal route around obstacles. David Hambling, Forbes, 25 Oct. 2021 Worse, later the author describes a conversation between Eliza and another expert system, Parry, in the same way. David A. Teich, Forbes, 21 Sep. 2021 Needless to say, expert systems can’t function beyond their rules. Alan Zeichick, Ars Technica, 25 Sep. 2017 For a particular diagnosis, an oncologist can study which of those rules was activated to validate that the expert system is working correctly. Alan Zeichick, Ars Technica, 25 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expert system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of expert system

1977, in the meaning defined above

Buying Guide

Our Reviews team has selected the best monitors.

Learn More About expert system

Time Traveler for expert system

Time Traveler

The first known use of expert system was in 1977

See more words from the same year

Dictionary Entries Near expert system

expert opinion

expert system

expert witness

See More Nearby Entries 

Statistics for expert system

Cite this Entry

“Expert system.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on expert system Encyclopedia article about expert system


Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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