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Definition of simulant

simulant

/ˈsɪmjələnt/
sim · u · lant

Plural:simulants
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simulant Lexical Profile

simulant Game Scores & Validity

• noun

1

A substance, material, or object used to imitate the physical, chemical, or visual properties of another (such as an artificial stone resembling a natural gemstone, or a benign compound used to model hazardous materials or planetary soil in testing).

Example

"The aerospace engineers tested the rover's wheels in a specialized chamber filled with lunar regolith simulant."


2

A person or organism that feigns, mimics, or simulates a condition, trait, or illness.

Example

"The clinical assessment was designed to distinguish patients with genuine neurological trauma from a calculating simulant."

Synonyms
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• adjective

1

Simulating or taking on the appearance, form, or character of something else.

Example

"Certain harmless hoverflies exhibit simulant coloration that closely resembles the warning stripes of venomous wasps."

Synonyms
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Antonyms
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Word Nuance & Usage

Do not confuse 'simulant' (a material or agent that imitates another, such as cubic zirconia for diamond) with 'stimulant' (a substance that raises physiological or nervous activity, such as caffeine). In gemology, a simulant imitates the appearance of a gem using different chemistry, whereas a synthetic gem shares the exact chemical composition of the natural stone.

• Rhymes for simulant

Word Origin & Etymology

Derived from the Latin present participle 'simulans' (stem 'simulant-'), from the verb 'simulare' meaning 'to make like, imitate, or copy', which is rooted in 'similis' ('like' or 'similar').

Cite this Entry


Wordmom. (2026). Definition of Simulant. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/simulant
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