loudspeaker

«loudspeaker» in Mova's school dictionary: A device that turns electrical signals into sound and… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (a loudspeaker, loudspeakers)

meaning for a pupil

1) A device that turns electrical signals into sound and makes voices or music louder, so many people can hear. tree →

2) «On loudspeaker» (on a phone) means so everyone in the room can hear. tree →

sense in the lessons

In science lessons on sound and electricity: a loudspeaker has a magnet and a coil that make a cone vibrate, which pushes air and makes sound waves. In safety: announcements in stations, schools and fire drills come «over the loudspeaker». Shorter word: «speaker».

examples

• The head teacher spoke over the loudspeaker. tree →
• An announcement came over the loudspeaker at the train station. tree →
• The loudspeaker makes the music loud enough for the whole hall. tree →
• Put Granny on loudspeaker so we can all say hello. tree →
• Inside a loudspeaker is a magnet and a cone. tree →
• The fire alarm instructions came through the loudspeakers. tree →

note

One word: loudspeaker. Countable. Often just «speaker», which can also mean a person who speaks — read the context. Loud sound from speakers close to your ears can damage hearing.

Trees and pragmatics

Every meaning and example of «loudspeaker» parsed by Mova, each sentence with its dependency tree and frames.