Deuterium : সাধারণ হাইড্রোজেনের দ্বিগুণ ভরবিশিষ্ট ভারি হাইড্রোজেন গ্যাস;
Related Words
derm  determine  detrain  deuterium  deuteronomy  drum  See Words Also In
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Appropriate Prepositions
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Care for(গ্রাহ্য করা): I do not care for you.
Cast aside (ছুঁড়ে ফেলা): As soon as they become rich they cast aside their poor friends.
Devoted to (মনোযোগী): He is devoted to music.
Make up of (গঠিত): Village is made up of many homes.
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Idioms
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.