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
At lunch (দুপুরের খাবারে): They were talking so much at lunch that their food went cold.
Bound for(প্রস্তুত থাকা): Although we can see that it is bound for failure, it is fascinating to follow its journey.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Short of (অপর্যাপ্ত): I am running short of money.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Without fail (অবশ্যই) - You must attend the meeting without fail.