co-efficient of refraction Audio  প্রতিসরণাঙ্ক;
SYNONYM   co-efficient of refraction;

Appropriate Preposition

  • Interfere with ( হস্তক্ষেপ করা (ব্যক্তি) ) Do not interfere with me in my business.
  • Guess at ( অনুমান করা ) Can you guess at her age?
  • Apply for ( আবেদন করা (কোন কিছু) ) He applied to the Secretary for the post.
  • Displeased at ( অসন্তুষ্ট ) I am displeased with him at his conduct.
  • Tell upon ( ক্ষতি করা ) Over-eating tells upon health.
  • Live beyond ( বাঁচা ) He lives beyond his means.
  • pound of flesh ( এক চুল এদিক ওদিক নয় )
  • cringing flatterer ( খঁয়ের খা )
  • Wild goose chase ( পন্ডশ্রম ) Do not waste time in wild goose chase.
  • Out of date ( অপ্রচলিত ) This fashion is now out of date.
  • Null and void ( বাতিল ) The deed has been null and void now.
  • Get rid of ( মুক্তি পাওয়া ) Try to get rid of that rogue.