1. a substance that imitates or resembles another substance, especially a synthetic material that mimics a natural one

Examples

• The jewelry store sold diamond simulants that looked nearly identical to real diamonds.
• Scientists developed a new bone simulant for medical training purposes.
• The leather simulant felt surprisingly realistic to the touch.
• Researchers tested various simulants to replicate the properties of human tissue.
• The gemstone turned out to be a simulant rather than a genuine emerald.
• Military training exercises often use explosive simulants for safety reasons.