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sil·i·con
 silicon
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- pronunciation:
- sI
lih
kan
[or]
sI
lih
k
 n
- features:
- Word Combinations (noun), Word Explorer
| part of speech: |
noun |
| definition: |
a hard, dark gray substance that is a chemical element. It is found in silica, a compound that makes up one fourth of the earth's crust. Silicon is used in making glass, concrete, bricks, and computer chips. (symbol: Si)
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