Nucleus
01
نواة, نوكليوس
(biology) the part of a cell that contains most of the genetic information
أمثلة
The nucleus of a cell contains genetic material in the form of DNA, which regulates cellular activities.
تحتوي نواة الخلية على مادة وراثية في شكل DNA، التي تنظم الأنشطة الخلوية.
The nucleus is surrounded by a double membrane called the nuclear envelope, which controls the passage of materials into and out of the nucleus.
النواة محاطة بغشاء مزدوج يسمى الغلاف النووي، الذي يتحكم في مرور المواد إلى داخل النواة وخارجها.
02
نواة, قلب
a central or most important group within a larger organization, often responsible for leadership or key decisions
أمثلة
The nucleus of the team consisted of senior engineers who led the development process.
تألف النواة الأساسية للفريق من كبار المهندسين الذين قادوا عملية التطوير.
The political nucleus of the movement pushed for major reforms in the education system.
دفع النواة السياسية للحركة من أجل إصلاحات كبيرة في النظام التعليمي.
03
the dense, positively charged core of an atom, made up of protons and neutrons and containing most of the atom's mass
أمثلة
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
أمثلة
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
أمثلة
The lens nucleus becomes cloudy with age, leading to cataracts.
The surgeon carefully removed the hardened nucleus during the procedure.
06
نواة, قلب
the central core of a comet, which is composed of ice, dust, and rocky materials
أمثلة
The nucleus of Comet Hale-Bopp is believed to be several kilometers in diameter.
يُعتقد أن نواة مذنب هيل-بوب يبلغ قطرها عدة كيلومترات.
The nucleus of a comet contains volatile substances that vaporize when the comet approaches the Sun, creating its characteristic tail.
تحتوي نواة المذنب على مواد متطايرة تتبخر عندما يقترب المذنب من الشمس، مما يخلق ذيله المميز.
07
the central sound unit of a syllable, usually formed by a vowel or vowel-like element, around which other sounds cluster
أمثلة
In the word " cat, " the vowel /æ/ serves as the syllable 's nucleus.
Every syllable must have a nucleus to be pronounceable.
شجرة معجمية
pronucleus
nucleus
