Refractor : প্রতিসারক মাধ্যম; প্রতিসারক দূরবীক্ষণ;
Related Words
refractor  refractoriness  refractory  See Words Also In
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Appropriate Prepositions
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Independent of (স্বাধীন): They are independent of my health.
Make up of (গঠিত): Village is made up of many homes.
Senior to (বয়সে বড়): He is senior to me by two years.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Run high (বেড়ে যাওয়া) —The price of everything has run high.
Slow coach (অলস): You cannot expect much from a slow coach.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.