মূলতত্ত্ব: [Noun] First principle.
Related Words
মহাসত্ত্ব  মূলতত্ত্ব  মূলমন্ত্র  মোহমন্ত্র  See Words Also In
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Appropriate Prepositions
Add to (বৃদ্ধি করা, যোগ করা): The doll-dance in the exhibition added to our pleasure.
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Feed on (খেয়ে বাঁচা): The cow feeds on grass.
Inquire into (খতিয়ে দেখা): The police officer will inquire into the matter.
Sentence to, for (দন্ডাদেশ দেওয়া): He was sentenced to death for murder.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
Call to mind (স্মরণ করা): I cannot call to mind your cell number.
Fight shy (এড়িয়ে চলা): Why do you fight shy of your teacher?
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Well up (সুপন্ডিত)- Dr. Shahidullah was well-up in Bengali language.