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vocabulary
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Both Uses of

nucleus
in
The Scarlet Letter

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Best Example Sentences
From Other Sources
Definition:
the center (or most important part) of something
such as:
  • in physics: the center of an atom where protons & neutrons are found
  • in biology: the center of a cell where DNA is found
  • in sociology: the closest family (mother/father/children in contrast to the extended family)