Cosmologist : মহাবিশ্বতত্ত্ববিদ;
Related Words
comeliest  communalist  cosmologist  See Words Also In
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Appropriate Prepositions
Arrive at(উপস্থিত হওয়া, পৌছানো): The train arrived at Dhaka station on time.
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Congenial to(উপযোগী): The atmosphere is congenial to your health.
Dwell upon (আলোচনা করা): They dwell long upon the matter.
Make up of (গঠিত): Village is made up of many homes.
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Idioms
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.