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zir·co·ni·um
 zirconium
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- pronunciation:
- z
 r
ko
ni
m
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition: |
a chemical element that has forty protons in each nucleus and that is found principally in zircon, a crystalline silicate compound, but that can be isolated as a solid metal that is used extensively in nuclear reactors because it allows neutrons to pass through without significant resistance. (symbol: Zr)
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| derivation: |
zirconic (adj.) |
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