Sound-wave : শব্দতরঙ্গ;
Related Words
sound wave  sound-wave  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Conscious of(সচেতন): I am conscious of my deficiencies.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Detrimental to (অপকারী): Smoking is detrimental to health.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
Browse All Appropriate Prepositions
Idioms
Bring to light (disclose-প্রকাশ করা) The police brought the secret to light.
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.