Radiometer : রেডিত্তমীটার;
Related Words
radiometer  rudimentary  See Words Also In
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Appropriate Prepositions
Abound with(ছেয়ে থাকা): They live in a region that abounds with oil.
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
To play on a fiddle (অনর্থক সময় নষ্ট করা - To waste time)-He played on a fiddle by nature.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.