simulator.

A device or program that models conditions so actions or outcomes can be tested without using the real setting.

Use it for

Words that belong together

• flight simulator
• training simulator

On the page

The simulator reproduced the loss of cabin pressure.

Usage notes

Primary category: sci-fi. Forms: Singular simulator; plural simulators. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.