Permeability : ব্যাপ্তিযোগ্যতা;
Related Words
perambulate  permeability  See Words Also In
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Appropriate Prepositions
At lunch (দুপুরের খাবারে): They were talking so much at lunch that their food went cold.
Averse to (বিমুখ): Rahim was averse of your various problems.
Complain to (কারো কাছে নালিশ করা): You should not complain to his parents.
Noted for (বিখ্যাত): She is noted for dancing.
Quick at (চটপটে): A cashier must be quick at figures.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.