actuate
يشغل
فعل
to put into action
This switch will actuate the alarm.
الدرس 4 · 34 كلمة
اضغط أي بطاقة لسماع نطق الكلمة — وتحت كل كلمة نطقها بالحروف العربية ومثال من المنهج.
amplifier
المضخم/المكبر
اسم
an electric device that increases strength of signal
The amplifier makes the signal stronger.
amplify
يضخم/يكبر/يوسع
فعل
to increase strength
The device will amplify the weak signal.
beacon
منارة
اسم
guiding or warning (light or radio) signal
The beacon guides the ships at night.
bearing
صلة/أسلوب
اسم
relative direction or position
The pilot checked his bearing on the map.
blip
نقطة مضيئة على شاشة/ومضة
اسم
a spot of light on radar screen
A small blip appeared on the radar screen.
blurry
مشوش
صفة
not clear
The image on the screen is blurry.
cable
كابل/سلك
اسم
a thick wire or rope
A thick cable carries the current to the building.
cliff
منحدر/جرف
اسم
a high, steep, surface of rock
The road runs along the edge of the cliff.
cycle
دورة
اسم
a regularly repeating occurrence
The machine repeats the same cycle every hour.
deflect
ينحرف/يثني/ينصرف عن
فعل
to bend or turn aside
The metal plate will deflect the beam.
distort
يشوه/يحرف
فعل
to pull or twist out of shape
Too much voltage will distort the signal.
echo
صدى الصوت
اسم
a reflected sound wave
The radar receives an echo from the aircraft.
encircle
يطوق/يحيط
فعل
to surround
The soldiers will encircle the building.
enclose
يرفق/يضمنه مع/يحيط
فعل
to close in all around
A high wall will enclose the yard.
find one's way
يجد طريقَه
تعبير
to regain direction
He used a map to find his way back to camp.
focus
يتركز/يتبلور/يركز
فعل
to make image clear by adjusting; center one's mind on a subject
Please focus the camera before you take the picture.
frequency
تردد/تكرار
اسم
the number of occurrences per time period
The radio operates on a high frequency.
grid
شبكة/شبكة خطوط
اسم
system of squares on a map
Find the location using the grid on the map.
horizon
الأفق ((الفضاء))
اسم
the meeting of earth and sky
The sun rose above the horizon.
image
تشبيه/تصور/صورة
اسم
a copy or likeness of person or thing
The image on the screen is very clear.
-like
لاحقة بمعنى (شبيه بـ) تحوّل الاسم إلى صفة
لاحقة
noun + -like = adj.
Add -like to child to make the adjective childlike.
minute
صغير جدآ/دقيق
صفة
very small
A minute particle of dust damaged the machine.
moderate
معتدل
صفة
of a middle degree
The weather today is moderate and pleasant.
obsolete
ملغي/لم يعد يستعمل
صفة
out of date
The old radio is now obsolete.
plot
يخطط/يصمم
فعل
to chart or plan a course
The navigator will plot the course on the map.
radiate
يشع/يتفرع/يتشعب
فعل
to emit or send out; to move out in lines from the center
The heater will radiate heat into the room.
radiation
إشعاع
اسم
movement of light, heat, etc., waves
The sun sends radiation to the earth.
scatter
يبعثر/ينثر
فعل
to spread out
The wind will scatter the papers.
scope
مجال/نطاق/مدى
اسم
the screen of a radar set; range or extent
The technician watched the scope for a signal.
technician
تقني/فني
اسم
a person skilled in a technical process or field
The technician repaired the radio.
terminate
ينقضي/ينتهي/ينهي
فعل
to end
The company will terminate the contract next month.
variable
متقلب/متغير
صفة
changeable
The weather here is variable in the spring.
visual
بصري/نظري
صفة
relating to seeing
The pilot had good visual contact with the runway.