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ar·sen·i·cal
 arsenical
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- pronunciation:
- ar
se
nih
k
 l
- parts of speech:
- adjective, noun
| part of speech: |
adjective |
| definition: |
composed of or involving arsenic.
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| part of speech: |
noun |
| definition: |
a compound containing arsenic that is used as a drug, herbicide, pesticide, or the like.
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