Definition of simulant in English:



  • A thing which simulates or resembles something else.

    ‘jade simulants’
    • ‘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.’
    • ‘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.’
    • ‘Gemologists use these needle inclusions found in natural rubies to distinguish them from synthetics, simulants, or substitutes.’
    • ‘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.’


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