(je´no-tok″sik) damaging to DNA; said of agents such as radiation or chemical substances that do this and thereby cause mutations, sometimes resulting in cancer. Found on http://www.encyclo.co.uk/local/21001
This is the adjective applied to any substance that is able to cause harmful changes to DNA. Such changes may lead to a transformed cell which can form a malignant tumour.
Found on http://www.encyclo.co.uk/visitor-contributions.php