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المفردات للاختبار IELTS (أكاديمي) - الكيمياء

هنا سوف تتعلم بعض الكلمات الإنجليزية حول الكيمياء، مثل "الزرنيخ"، "المحفز"، "تقطير"، إلخ. التي يحتاجها امتحان IELTS.

مراجعة

بطاقات الفلاش

الصيغ

الهجاء

اختبار قصير

ابدأ التعلم
Words for Academic IELTS
arsenic
arsenic
[اسم]

(chemistry) a poisonous white powder used in making glass, pesticides, and weed killers

زرنيخ,  الزرنيخ الأبيض

زرنيخ, الزرنيخ الأبيض

Ex: The lab detected traces of arsenic in the old pesticide containers. 
calcium
calcium
[اسم]

a chemical element, symbol Ca, that is essential for healthy bones and teeth and occurs naturally in many foods and minerals

Ex: Some people take calcium supplements when their diet does not provide enough. 
carbon
carbon
[اسم]

a chemical element present in all living things and in substances such as coal, graphite, and diamond

Ex: Scientists measured the amount of carbon in the ancient remains. 
copper
copper
[اسم]

a reddish-brown metallic chemical element that conducts heat and electricity well and is widely used in electrical wiring and alloys

نحاس,  نحاس أحمر

نحاس, نحاس أحمر

Ex: The pipes were made from copper. 
helium
helium
[اسم]

(chemistry) a very light, colorless, inert gas that is the hardest gas to liquefy and is found in natural gas deposits

هيليوم,  هيليوم

هيليوم, هيليوم

Ex: Unlike hydrogen, helium is nonflammable, making it safer for airships. 
gold
gold
[اسم]

a valuable yellow-colored metal that is used for making jewelry

ذهب

ذهب

Ex: The crown jewels of the monarch are encrusted with diamonds and set in gold. 
iron
iron
[اسم]

a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products

حديد, معدن

حديد, معدن

Ex: Iron plays a crucial role in transporting oxygen from the lungs to the rest of the body. 
lead
lead
[اسم]

a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past

رصاص, معدن ثقيل

رصاص, معدن ثقيل

Ex: In ancient times, lead was often used to make coins and statues due to its ease of shaping and durability. 
acid
acid
[اسم]

a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7

حمض, مادة حمضية

حمض, مادة حمضية

Ex: The scientist carefully handled the sulfuric acid in the laboratory, aware of its highly corrosive properties. 
catalyst
catalyst
[اسم]

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

عامل مساعد, منشط

عامل مساعد, منشط

Ex: Enzymes are naturally occurring biological catalysts that allow complex metabolic reactions to proceed efficiently in living cells. 

الإنزيمات هي محفزات بيولوجية تحدث بشكل طبيعي وتسمح للتفاعلات الأيضية المعقدة بالمضي قدمًا بكفاءة في الخلايا الحية.

chemical
chemical
[اسم]

(chemistry) a substance used in or produced by a reaction that changes atoms or molecules

مادة كيميائية

مادة كيميائية

Ex: She mixed two chemicals together and watched them bubble and change color. 
element
element
[اسم]

a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties

عنصر, مكون

عنصر, مكون

Ex: Hydrogen is the simplest element, with only one proton in its nucleus. 
compound
compound
[اسم]

a pure substance formed from two or more chemical elements chemically bonded in fixed proportions

مركب

مركب

Ex: Each compound has a characteristic chemical composition. 
to hydrate
to hydrate
[فعل]

(chemistry) to combine and form a compound with water molecules

يرطب, يتحد مع جزيئات الماء

يرطب, يتحد مع جزيئات الماء

Ex: The process of rusting occurs when iron metal hydrates by reacting with oxygen and water vapor in the air. 

تحدث عملية الصدأ عندما يهدرت معدن الحديد عن طريق التفاعل مع الأكسجين وبخار الماء في الهواء.

mixture
mixture
[اسم]

(chemistry) a combination of two or more substances without forming a chemical bond or any chemical reaction

خليط

خليط

Ex: Oil and water create a mixture that separates when left undisturbed. 
to adsorb
to adsorb
[فعل]

to take in a liquid, gas, or other substance from the surface chemically or physically

يمتص, يتشرب

يمتص, يتشرب

balanced
balanced
[صفة]

evenly distributed or in a state of stability

متوازن, مستقر

متوازن, مستقر

Ex: The therapist helped her achieve a balanced emotional state through mindfulness techniques. 

ساعد المعالجها على تحقيق حالة عاطفية متوازنة من خلال تقنيات اليقظة الذهنية.

to behave
to behave
[فعل]

(chemistry) to react in a particular way because of the laws

يتصرف, يتفاعل

يتصرف, يتفاعل

Ex: Water behaves uniquely at freezing temperatures, expanding instead of contracting. 
bond
bond
[اسم]

a link that holds atoms or ions together in any molecule or crystal

رابطة, صلة

رابطة, صلة

Ex: The strength of a chemical bond is determined by factors such as bond length, bond angle, and bond energy. 
to catalyze
to catalyze
[فعل]

to increase the rate of a chemical reaction

يحفز

يحفز

Ex: Certain metals, such as palladium and nickel, can catalyze hydrogenation reactions in organic synthesis. 

يمكن لبعض المعادن، مثل البلاديوم والنيكل، تحفيز تفاعلات الهدرجة في التخليق العضوي.

chain reaction

a chemical or nuclear process that is self-sustained and its products cause other processes of the same kind

تفاعل متسلسل

تفاعل متسلسل

chemical reaction

(chemistry) a process in which several chemicals combine and form different substances

تفاعل كيميائي

تفاعل كيميائي

to dehydrate
to dehydrate
[فعل]

(chemistry) to lose water molecules during a chemical reaction

تجفيف, فقدان جزيئات الماء

تجفيف, فقدان جزيئات الماء

Ex: When heated, copper(II) sulfate pentahydrate undergoes a chemical reaction to dehydrate. 

عند تسخينه، خماسي هيدرات كبريتات النحاس(II) يخضع لتفاعل كيميائي لي يفقد الماء.

to distill
to distill
[فعل]

to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it

يقطر, تنقية بالتقطير

يقطر, تنقية بالتقطير

Ex: The plan is to distill rainwater for a clean water source. 

الخطة هي تقطير مياه الأمطار لمصدر مياه نظيف.

equation
equation
[اسم]

a symbolic representation of a chemical reaction showing reactants and products

معادلة كيميائية, معادلة التفاعل

معادلة كيميائية, معادلة التفاعل

Ex: The laboratory notebook contained all reaction equations. 
formula
formula
[اسم]

a symbolic representation of a chemical substance using its constituent elements

الصيغة الكيميائية, الصيغة

الصيغة الكيميائية, الصيغة

Ex: The compound's formula indicates the ratio of atoms. 
to precipitate

(chemistry) to become separated from the solvent in a solid form

ترسب

ترسب

Ex: As the temperature dropped, the dissolved minerals in the water started to precipitate, forming deposits on the surface of the pipes. 

مع انخفاض درجة الحرارة، بدأت المعادن الذائبة في الماء تترسب، مكونة رواسب على سطح الأنابيب.

preservation
preservation
[اسم]

the action of keeping something the way it is or in good condition

الحفظ, الصيانة

الحفظ, الصيانة

reaction
reaction
[اسم]

(chemistry) a process in which several chemicals combine and form different substances

تفاعل

تفاعل

Ex: The reaction released heat, indicating it was exothermic. 
aluminum
aluminum
[اسم]

a light silver-gray metal used primarily for making cooking equipment and aircraft parts

الألومنيوم, الألومنيوم

الألومنيوم, الألومنيوم

Ex: The bicycle frame is made from aluminum, making it easier to carry and maneuver compared to traditional steel frames. 

هيكل الدراجة مصنوع من الألومنيوم، مما يجعله أسهل في الحمل والمناورة مقارنة بالهياكل الفولاذية التقليدية.

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