Nucleus
01
核, ヌクレウス
(biology) the part of a cell that contains most of the genetic information
例
The nucleus of a cell contains genetic material in the form of DNA, which regulates cellular activities.
細胞の核には、DNAの形で遺伝物質が含まれており、細胞活動を調節します。
The nucleus is surrounded by a double membrane called the nuclear envelope, which controls the passage of materials into and out of the nucleus.
核は核膜と呼ばれる二重膜に囲まれており、物質の核への出入りを制御しています。
02
中核, 中心
a central or most important group within a larger organization, often responsible for leadership or key decisions
例
The nucleus of the team consisted of senior engineers who led the development process.
チームの中核は、開発プロセスを率いた上級エンジニアで構成されていました。
The political nucleus of the movement pushed for major reforms in the education system.
運動の政治的中核は、教育制度の大きな改革を推進した。
03
the dense, positively charged core of an atom, made up of protons and neutrons and containing most of the atom's mass
例
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
例
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
例
The lens nucleus becomes cloudy with age, leading to cataracts.
The surgeon carefully removed the hardened nucleus during the procedure.
06
核, 中心部
the central core of a comet, which is composed of ice, dust, and rocky materials
例
The nucleus of Comet Hale-Bopp is believed to be several kilometers in diameter.
ヘール・ボップ彗星の核は直径数キロメートルであると考えられています。
The nucleus of a comet contains volatile substances that vaporize when the comet approaches the Sun, creating its characteristic tail.
彗星の核には揮発性物質が含まれており、彗星が太陽に近づくと蒸発し、特徴的な尾を形成します。
07
the central sound unit of a syllable, usually formed by a vowel or vowel-like element, around which other sounds cluster
例
In the word " cat, " the vowel /æ/ serves as the syllable 's nucleus.
Every syllable must have a nucleus to be pronounceable.
語彙ツリー
pronucleus
nucleus
