English word nontoxic comes from English toxic, English non-
| Dictionary entry | Language | Definition |
|---|---|---|
| toxic | English (eng) | (figurative) Negative; harmful.. (medicine) Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems.. (toxicology) Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities. |
| non- | English (eng) | Used in the sense of not, to negate the meaning of the word to which it is prefixed. |
| nontoxic | English (eng) | Not toxic; not poisonous. |