Refractor : প্রতিসারক মাধ্যম; প্রতিসারক দূরবীক্ষণ;
Related Words
refractor  refractoriness  refractory  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Aptitude for(স্বাভাবিক দক্ষতা, যোগ্যতা): He has no aptitude for public service.
Bad at (অদক্ষ): He is not bad at English.
Consist of(গঠিত হওয়া): The committee consists of ten members.
Satisfied with (সন্তুষ্ট): The authoress was highly satisfied with Jerry.
Stare at (চাওয়া বা তাকানো): He stares at me.
Browse All Appropriate Prepositions
Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Far and wide (সর্বত্র): His fame spread far and wide.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
To the point (সঠিক) - The boy answered the question to the point.