Concavity : অবতলতা; খোল; গোলাকার ফাঁপা বস্তুর ভিতর;
Related Words
concavity  concept  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Adhere to (লেগে থাকা, অটল থাকা): You should adhere to your principal.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Heir of (উত্তরাধিকারী): He is the heir of his father.
Run after (পশ্চাদানুসরণ করা): Do not run after money.
Browse All Appropriate Prepositions
Idioms
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
On the wane (হ্রাসমান): His fame is on the wane now.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
Safe and sound (নিরাপদে)— He reached home safe and sound.