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Перевод: adulterant

[прилагательное]
с примесью;
[существительное]
примесь ; фальсифицирующее вещество

Тезаурус:

1. By way of contrast, the Spanish conquerors of northwest South America (modern Colombia), where the first deposits were found, regarded it as a dangerous adulterant of gold and silver and tried to prohibit its export - unavailingly, although its supply to European chemists was made capricious.
2. These reports suggested that ketamine was initially introduced as an adulterant in 3,4-methylenedioxymethamphetamine ("ecstasy") tablets and is now sold in its pure form.