Solid angle : অস্র; ঘনকোণ;
Related Words
sliding scale  solid angle  See Words Also In
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Rely on (নির্ভর করা): We should not rely on a lazy man.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
Taste for (রুচি; পছন্দ): He has a great taste for music.
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Idioms
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
Arm in arm (পরস্পর সম্পর্কিত বিষয়) All good people should live arm in arm with one another.
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.