![](https://webarchive.library.unt.edu/eot2008/20081028214225im_/http://www.nci.nih.gov/images/spacer.gif) |
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(TOK-sik)
![](https://webarchive.library.unt.edu/eot2008/20081028214225im_/http://www.nci.nih.gov/images/spacer.gif)
| Having to do with poison or something harmful to the body. Toxic substances usually cause unwanted side effects. |
Previous Definitions: | total-body irradiation, Totect, totipotent, tourniquet, toxemia | Next Definitions: | toxicity, toxicology, toxin, TP-38 immunotoxin, tPA |
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![](https://webarchive.library.unt.edu/eot2008/20081028214225im_/http://www.nci.nih.gov/images/spacer.gif) |