Solid angle : অস্র; ঘনকোণ;
Related Words
sliding scale  solid angle  See Words Also In
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Appropriate Prepositions
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Faith in (বিশ্বাস): I have no faith in him.
Fed up with (বিরক্ত): He is fed up with waiting for her.
Look at (তাকানো): Students look at the blackboard.
Yield to (নতি স্বীকার করা): I shall not yield to his temptation.
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Idioms
Flesh and blood (রক্তমাংসের শরীর): She's my own flesh and blood; I can't believe she treated me that way!
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Round the clock (সমস্ত দিন): He is working round the clock.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.