Decontamination : বিশুদ্ধতা; পরিষ্করণ; পরিপাটিতা; পরিচ্ছন্নতা; সংক্রমণমোচন;
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decontaminating  decontamination  See Words Also In
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Appropriate Prepositions
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Grasp at (আঁকড়িয়ে ধরা): He grasped me at my hand.
Greed for (লোভ): He has an indomitable greed for wealth.
Make of (কোনো উপকরণ দ্বারা সরাসরি তৈরী বোঝাতে): This necklace is made of gold.
Sick of (ক্লান্ত): He is sick of this idle life.
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Idioms
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
On the whole (মোটের ওপর): On the whole, his conduct is good.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.