Concave : অবতল। অবতলতা;
Related Words
communicable  con cave  concave  concavity  concavo-convex  conceive  conceived  conceives  concept  concepts  concessive  concubinage  concubine  See Words Also In
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Appropriate Prepositions
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Apologize to (ক্ষমা প্রার্থনা করা, দুঃখসহ ত্রুটি স্বীকার করা): The student apologized to the Principal for adopting unfair means in the examination.
Apology for (কোনো কারনে ক্ষমা চাওয়া): Sajib should ask apology to her of his mistake.
Complain to (কারো কাছে নালিশ করা): You should not complain to his parents.
Look at (তাকানো): Students look at the blackboard.
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Idioms
At the latest (খুব বেশি দেরী হলে) He will arrive here at 5 p. m. at the latest.
In cold blood (ঠান্ডা মাথায়): They committed this murder in cold blood.
Up to (পর্যন্ত) - I have done the exercises up to page 40.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.
With a lavish hand (মুক্ত হস্তে)— Give away something with a lavish hand.