Definition, Meaning & Synonyms

nuclei

noun

/ˈnjuː.kli.aɪ/

Definition

The plural form of nucleus, referring to the central and most important part of an object or system.

Examples

In a cell, the nuclei are responsible for storing genetic information.
Different elements have unique nuclei composed of varying numbers of protons and neutrons.
Scientists study nuclei to understand atomic structure and behavior.

Meaning

In scientific contexts, especially in biology and physics, nuclei refer to the cores of atoms or cells that contain genetic material or protons and neutrons.