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nucleus

noun

ˈnuːkliəs

Meaning

The central core of an atom containing protons and neutrons.

The central and most important part of something, forming the basis for its activity and growth; in biology, the central part of a cell.

The nucleus consists of protons.

The nucleus of the atom contains protons and neutrons.

the nucleus of the idea

core, center, hub, heart, kernel

Entry 1

core, center

Entry 2

core, center, hub, heart, kernel

periphery, outside, exterior

Entry 1

periphery, outside

Entry 2

periphery, exterior, outside

atomic nucleus, cell nucleus, nucleus of an idea, nucleus of a group

The breaking down of something into smaller, separate parts.

A container used for boiling water, typically with a lid, spout, and handle

A learning disorder characterized by difficulty reading due to problems identifying speech sounds an...

the state of being a slave or completely subject to someone more powerful

a small rodent with a long tail and typically gray or brown fur

a dishonest person, especially a man; a playing card with a picture of a male servant