Grade 7
(nu-cle-us) 3 syllables

Definition

noun. a thing or part forming the center around which other things or parts are grouped or collected

Example Sentence

The nucleus of a hydrogen atom is a proton.

Synonyms

center; hub; focus; pivot

Antonyms

outside

Hear It! Say It! Write It!

nucleus
Hear It! Say It! Write It!

Rhymes

  • nucleus