Plano-convex : সমোত্তল;
Related Words
plano-convex  planoconvex  See Words Also In
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Appropriate Prepositions
Angry with(কারো সাথে ক্রুদ্ধ হওয়া): The teacher was very angry with the students.
Crave for(আকাঙ্ক্ষা করা): Everyone craves for care.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Point out (চিহ্নিত করা): Point out the mistakes from the book.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Bad bargain (purchasing at a high price-বেশি দামে কেনা-n) You had a bad bargain of the watch I see.
Null and void (বাতিল): The deed has been null and void now.
Run short (কমতি পড়া) —I ran short of money.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.