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Nucleus
01
nucleo
(biology) the part of a cell that contains most of the genetic information
Esempi
The nucleus of a cell contains genetic material in the form of DNA, which regulates cellular activities.
Il nucleo di una cellula contiene materiale genetico sotto forma di DNA, che regola le attività cellulari.
The nucleus is surrounded by a double membrane called the nuclear envelope, which controls the passage of materials into and out of the nucleus.
Il nucleo è circondato da una doppia membrana chiamata involucro nucleare, che controlla il passaggio dei materiali dentro e fuori il nucleo.
02
nucleo, cuore
a central or most important group within a larger organization, often responsible for leadership or key decisions
Esempi
The nucleus of the team consisted of senior engineers who led the development process.
Il nucleo del team era costituito da ingegneri senior che hanno guidato il processo di sviluppo.
The political nucleus of the movement pushed for major reforms in the education system.
Il nucleo politico del movimento ha spinto per importanti riforme nel sistema educativo.
03
the dense, positively charged core of an atom, made up of protons and neutrons and containing most of the atom's mass
Esempi
The nucleus contains nearly all the mass of an atom.
Scientists studied how electrons orbit the atomic nucleus.
04
a distinct cluster of nerve cells within the brain or spinal cord that performs a specific function
Esempi
The hypothalamic nucleus regulates hunger and body temperature.
Damage to the caudate nucleus can affect movement control.
05
the dense central region of the eye's lens, surrounded by the softer cortex
Esempi
The lens nucleus becomes cloudy with age, leading to cataracts.
The surgeon carefully removed the hardened nucleus during the procedure.
06
nucleo, cuore
the central core of a comet, which is composed of ice, dust, and rocky materials
Esempi
The nucleus of Comet Hale-Bopp is believed to be several kilometers in diameter.
Si ritiene che il nucleo della cometa Hale-Bopp abbia un diametro di diversi chilometri.
The nucleus of a comet contains volatile substances that vaporize when the comet approaches the Sun, creating its characteristic tail.
Il nucleo di una cometa contiene sostanze volatili che si vaporizzano quando la cometa si avvicina al Sole, creando la sua caratteristica coda.
07
the central sound unit of a syllable, usually formed by a vowel or vowel-like element, around which other sounds cluster
Esempi
In the word " cat, " the vowel /æ/ serves as the syllable 's nucleus.
Every syllable must have a nucleus to be pronounceable.
Albero Lessicale
pronucleus
nucleus
