nucleus

UK
/ˈnjuːklɪəs/
US
/ˈnuːkliəs/

Translations

nucleusnoun
nuclei
pl
UK
/ˈnjuːklɪəs/
US
/ˈnuːkliəs/
noyauAstronomie.
As the comet approached perihelion, jets of gas erupted from its dark nucleus.
À l’approche du périhélie, des jets de gaz ont jailli du noyau sombre de la comète.
noyauBiologie.
The nucleus of the cell contains the DNA that controls the cell's activities.
Le noyau de la cellule contient l’ADN qui नियंत्रôle les activités de la cellule.
noyauAu sens figuré, pour la partie centrale ou essentielle d’un ensemble.
The committee served as the nucleus for the new organization.
Le comité a servi de noyau à la nouvelle organisation.
noyau syllabiqueLinguistique.
In the syllable /baɪn/, the diphthong /aɪ/ functions as the nucleus.
Dans la syllabe /baɪn/, la diphtongue /aɪ/ fonctionne comme noyau syllabique.
noyauPhysique.
The nucleus of an atom is surrounded by a cloud of electrons.
Le noyau d’un atome est entouré d’un nuage d’électrons.
nucleusadjective
UK
/ˈnjuːkliəs/
US
/ˈnuːkliəs/
Used attributively in technical compound terms (e.g., "nucleus pulposus"), meaning ‘relating to or forming a nucleus’.
nucléaireBiologie, anatomie; se dit de ce qui est relatif à un noyau ou en constitue un.
MRI scans revealed changes in the nucleus pulposus of the patient’s spinal discs.
Les IRM ont révélé des changements dans le noyau pulpeux des disques rachidiens du patient.

Definitions

nucleusnoun
The central and most important part of an object, movement, or group, forming the basis for its activity and growth.
The committee served as the nucleus for the new organization.
The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
The nucleus of an atom is surrounded by a cloud of electrons.
A dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
The nucleus of the cell contains the DNA that controls the cell's activities.
The solid core of a comet, composed chiefly of ice and dust.
As the comet approached perihelion, jets of gas erupted from its dark nucleus.
Phonology: the most sonorous part of a syllable, typically a vowel or syllabic consonant, which constitutes its peak of acoustic energy.
In the syllable /baɪn/, the diphthong /aɪ/ functions as the nucleus.
nucleusadjective
Attributive: relating to or constituting a nucleus.
MRI scans revealed changes in the nucleus pulposus of the patient’s spinal discs.