Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
speaker system | Yes | No | No | No |
loud hailer | Yes | No | No | No |
speaker system (noun) | loud hailer (noun) |
---|---|
electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance | a portable loudspeaker with built-in microphone and amplifier |