Reverse Word Search Lookup

Word Explorer
Children's Dictionary
Help
Help
Help
 
bug (informal) a tiny microphone hidden for the purpose of listening to and recording voices secretly. [1/6 definitions]
diaphragm a thin disk in electronic tools such as microphones, speakers, and telephones. In a microphone, the diaphragm changes sound vibrations into electrical signals. In a speaker, it changes electrical signals into sound vibrations. [1/2 definitions]