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lith·i·um
 lithium
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- pronunciation:
- lI
thi
 m
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition 1: |
an extremely reactive chemical element of the alkali metal group that has three protons in each nucleus, occurs naturally only in compounds such as salts, and can be isolated in pure form as a light soft solid. (symbol: Li)
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| definition 2: |
see "lithium carbonate."
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