মূলতত্ত্ব: [Noun] First principle.
Related Words
মহাসত্ত্ব  মূলতত্ত্ব  মূলমন্ত্র  মোহমন্ত্র  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Abound with(ছেয়ে থাকা): They live in a region that abounds with oil.
Crave for(আকাঙ্ক্ষা করা): Everyone craves for care.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Hatred for (ঘৃণা): I have no hatred for anyone.
Run into (জড়িয়ে পড়া): He had run into debt.
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Idioms
Beggar description - (অবর্ণনীয় হওয়া): The distress of the Muslims in Bosnia beggars description.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Null and void (বাতিল): The deed has been null and void now.
Out of date (সেকেলে): This fashion is out of date.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.