রূঢ় : -পদার্থ [বিশেষ্য পদ] অমিশ্র মূল পদার্থ-স্বর্ণ, গন্ধক প্রভৃতি।
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রাঢ়  রূপ  রূপী  রূঢ়  রূঢ়ি  রে২  রোধ  রয়২  See Words Also In
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Appropriate Prepositions
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Congenial to(উপযোগী): The atmosphere is congenial to your health.
Congratulate on(অভিনন্দন জানানো): They congratulated me on my brilliant success.
Quarrel over (কোন বিষয়ে ঝগড়া করা): Do not quarrel over this trifling matter, let it be drop.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.