Cosmologist : মহাবিশ্বতত্ত্ববিদ;
Related Words
comeliest  communalist  cosmologist  See Words Also In
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Appropriate Prepositions
Apply for(কারো কাছে আবেদন করা): Sumi applied to the Principal for free studentship.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Delegate to (প্রতিনিধি): Nazrul welcomed the delegates to the new conference.
Look after (দেখাশুনা): He looks after me.
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Idioms
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
Head and ears (সম্পূর্ণরূপে): He is over head and ears in debt.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.