SAT TOEFL

nucleus

Definition

The central and most important part of an object, place, or group; also, the core of a cell containing genetic material.

Example

"The city center serves as the nucleus of cultural activity in the region."
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Study tips featuring "nucleus"

TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT

Related words

SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal