biconcave Audio [বাই-কনকেভ | /ˌbaɪˈkɒŋkeɪv/]   /adjective/

এমন কোনো বস্তু বা লেন্স যার উভয় পৃষ্ঠই ভিতরের দিকে বাঁকানো বা অবতল।

biconcave meaning in Bengali

adjective
(1) উভ-অবতল; দুই দিকেই অবতল বা গর্তযুক্ত having two concave surfaces, especially a lens that is concave on both sides
Common PHRASES and Terms
biconcave lens — উভ-অবতল লেন্স (A lens with two concave surfaces)
biconcave disc — উভ-অবতল চাকতি (A circular object that is concave on both sides)
biconcave structure — উভ-অবতল গঠন (A physical structure having a biconcave geometry)
SYNONYM double-concave, concave-concave OPPOSITE biconvex, convex EXAMPLES
A biconcave lens is thinner at the center than at the edges.
একটি উভ-অবতল লেন্সের কেন্দ্রভাগ প্রান্তভাগের চেয়ে পাতলা হয়।
Red blood cells have a characteristic biconcave shape.
লোহিত রক্তকণিকার একটি বৈশিষ্ট্যসূচক উভ-অবতল আকৃতি থাকে।
COLLOCATIONS biconcave lens, biconcave shape, biconcave disc USAGE NOTES Primarily used in optics, physics, and biology to describe the geometry of lenses or cells.

Appropriate Preposition

  • Callous to ( উদাসীন ) He is callous to my suffering.
  • Involved in ( জড়িত ) He is involved in the plot.
  • Abide by ( মেনে চলা ) One should abide by the rules
  • Dull at ( কাঁচা ) He is dull at Physics.
  • Retire from ( অবসর লওয়া ) He retired from service on a pension.
  • Differ on ( ভিন্ন মত হওয়া (ব্যপার) ) I differ with you on this point.
  • Get rid of ( মুক্তি পাওয়া ) Try to get rid of that rogue.
  • Now and then ( মাঝে মাঝে ) He comes here now and then.
  • As it were ( যেন ) The sun is, as it were , the lamp of the universe.
  • In lieu of ( পরিবর্তে ) Give me this pen in lieu of that.
  • Carry the day ( জয়লাভ করা ) Rajib, the best player of the school, carried the day in the annual sports.
  • Above board ( সংশয়হীন ভাবে নির্দোষ ) His activities are open and above board.