additive
مادة مضافة
اسم
a substance added to something to change it in some way
The additive keeps the fuel clean.
الدرس 2 · 33 كلمة
اضغط أي بطاقة لسماع نطق الكلمة — وتحت كل كلمة نطقها بالحروف العربية ومثال من المنهج.
bureau
مكتب/دائرة حكومية
اسم
a government department or division of a department
He works for a government bureau.
compensate (for)
يعوض/يدفع تعويضاً
فعل
to make payment for; make up for, or balance out
The company will compensate him for the damage.
compressor
ضاغط (هواء/غاز)
اسم
a machine that presses or squeezes gases together
The compressor squeezes air into the tank.
crank
ذراع تدوير (كرنك)
اسم
an arm-like device used for turning things
He turned the crank to start the old engine.
crumble
يتفتت/ينهار
فعل
to fall apart or break into pieces
The old wall began to crumble.
deposit
مكمن/ترسب طبيعي (نفط أو غاز)
اسم
a natural accumulation especially of a resource such as oil or gas
They found a large deposit of oil under the desert.
diminish
يقلل/يتضاءل
فعل
to reduce in size or effect
The noise will diminish when the machine stops.
do/did/done away with
يتخلص من/يلغي
فعل
to get rid of or eliminate
They did away with the old rule.
duct
قناة/مجرى أنبوبي
اسم
a tube-like passage for liquids, gases, etc.
Warm air flows through the duct.
fully
تماماً/بالكامل
ظرف
completely
He is fully qualified for the job.
horsepower
حصان (وحدة قدرة)
اسم
a unit for measuring power
The engine produces 200 horsepower.
in search of
بحثاً عن
حرف جر
looking for
They drilled in search of oil.
in working order
بحالة جيدة/صالح للعمل
تعبير
in good condition
The machine is in working order again.
intake
خاص بالسحب/الإدخال
صفة
relating to taking something in
Air enters through the intake valve.
invert
يقلب/يعكس
فعل
to turn upside down
Please invert the box and empty it.
make/made/made up for
يعوض عن خطأ أو تقصير
فعل
to substitute for, or compensate for a mistake or offense
He worked late to make up for the lost time.
mechanized
آلي/مميكن
صفة
automated, done with, or having machines
The factory is fully mechanized.
mercury
زئبق
اسم
a silver-colored poisonous metal used in thermometers, batteries, etc.
The thermometer contains mercury.
nozzle
فوهة/منفث للسوائل
اسم
a device through which liquid is discharged; used to speed up or slow down the flow of liquid
Water comes out of the nozzle in a fine spray.
punish
يعاقب
فعل
to set as a penalty
The officer will punish him for the offense.
rag
خرقة (قطعة قماش بالية)
اسم
a worn cloth
He cleaned the oil with an old rag.
reciprocate
يتحرك ذهاباً وإياباً (حركة ترددية)
فعل
to move back and forth or up and down
The parts reciprocate up and down inside the engine.
residue
بقايا/رواسب
اسم
that which remains or is left over, usually after some kind of chemical or physical process
A black residue remained in the tank.
seep
يتسرب ببطء
فعل
to move or pass through slowly
Water began to seep through the wall.
simultaneous
متزامن
صفة
occurring at the same time
The two events were simultaneous.
spray
يرش
فعل
to discharge liquid in a mass of small drops
Spray the paint evenly on the metal.
thereby
وبذلك/وبهذه الوسيلة
ظرف
by that means
He checked the work carefully, thereby avoiding mistakes.
underground
تحت الأرض
ظرف
below ground
The pipes run underground.
upside down
رأساً على عقب (مقلوب)
تعبير
in a position with the top turned to the bottom
The picture is hanging upside down.
valve
صمام
اسم
a device used to control the flow of liquids or gases
Close the valve to stop the flow of gas.
wax
يلمّع بالشمع
فعل
to polish or shine
He will wax the car until it shines.
well
بئر
اسم
a deep hole which is drilled in the earth to obtain oil, gas, or water
They drilled a deep well to find water.