nucleus

nucleo

La parte centrale di qualcosa, soprattutto di un atomo o di una cellula vivente.

In inglese semplice: The central part of something, especially an atom or a living cell.

• The nucleus lies at the center of the atom.
• Electrons move around the nucleus.
• Scientists studied the nuclei of several different atoms.

Come si usa: nucleus of something (The nucleus of an atom contains protons.)

Sinonimi: core

Espressioni comuni: atomic nucleus, central nucleus, nucleus of something

nucleo cellulare

Parte interna della cellula, circondata da una sottile membrana, che contiene le informazioni genetiche.

In inglese semplice: The part inside a cell, surrounded by a thin covering, that holds its genetic information.

• The nucleus holds the cell’s genetic information.
• She could see the nucleus through the microscope.
• These cells have two nuclei.

Come si usa: nucleus of a cell (The nucleus of a cell contains DNA.)

Sinonimi: cell nucleus

Espressioni comuni: cell nucleus, nucleus membrane, nucleus of something

nucleo

Piccolo gruppo o insieme iniziale destinato a crescere con l’aggiunta di altre persone o cose.

In inglese semplice: A small starting group or collection that will grow as more people or things are added.

• Five volunteers formed the nucleus of the team.
• Her books became the nucleus of a new library.
• We built the club around a small nucleus of friends.

Come si usa: nucleus of something (These books formed the nucleus of our collection.)

Sinonimi: core, foundation

Espressioni comuni: form the nucleus, nucleus of something, a small nucleus