| / English Dictionary |
NONTOXIC
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Safe to eat
Synonyms:
non-poisonous; nonpoisonous; nontoxic
Classified under:
Similar:
comestible; eatable; edible (suitable for use as food)
Sense 2
Meaning:
Not producing or resulting from poison
Synonyms:
atoxic; nontoxic
Classified under:
Similar:
antitoxic (counteracting a toxin or poison)
non-poisonous; nonpoisonous (not producing poison)
nonvenomous (not producing venom)
Also:
harmless (not causing or capable of causing harm)
Antonym:
toxic (of or relating to or caused by a toxin or poison)
Context examples:
Upon intracerebral injection, E. coli CD-expressing genetically modified NSCs express the E. coli cytosine deaminase, an enzyme that catalyzes the intracellular conversion of the nontoxic prodrug 5-fluorocytosine (5-FC) into the cytotoxic 5-fluorouracil (5-FU).
(E. coli CD-expressing Genetically Modified Neural Stem Cells, NCI Thesaurus)
Researchers at Massachusetts Institute of Technology have now created variants of the peptide that are potent against bacteria but nontoxic to human cells.
(Venom of Wasp, Bee Repurposed as Antibiotic Drug, The Titi Tudorancea Bulletin)
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