Definition of simulant in English:



  • A thing which simulates or resembles something else.

    ‘jade simulants’
    • ‘The time may come when synthetic stones or simulants may be good enough to require sophisticated laboratory instruments to separate them from natural stones, but it isn't necessarily here yet.’
    • ‘The best simulants of natural gemstones are synthetic materials manufactured under laboratory conditions, identical in both chemical composition and crystal structure to their more costly natural counterparts.’
    • ‘Both the mock bomb and the factory were tested with simulants - benign substances with characteristics similar to the germs used in weapons.’
    • ‘NRL researchers have successfully tested the coating on cotton fabric and glass cloth using pesticides, including the nerve agent simulant methyl parathion.’
    • ‘Like the TNT, Winchester's 34 gr. bullet expands with explosive effect, breaking into almost sand-sized particles when fired into tissue simulants such as ballistic gelatin or even water.’
    • ‘Gemologists use these needle inclusions found in natural rubies to distinguish them from synthetics, simulants, or substitutes.’


Mid 18th century: from Latin simulant- copying, representing, from the verb simulare.