projector
projector — noun
1. an electronic or optical appliance that takes a picture from a film, computer, o
an electronic or optical appliance that takes a picture from a film, computer, or other source and makes it appear large on a flat wall or screen
Min set up the projector in the meeting room before the presentation began.
typical context: meeting room presentation
The old film projector clicked loudly as it showed the black-and-white movie.
collocation: film projector
Dahlia borrowed a small projector from the library for her science project.
A digital projector in the classroom displays the teacher’s notes on a whiteboard.
When the projector bulb broke, Tomás ordered a replacement part online.
- overhead projector
a specific type that shines light through transparent sheets; often shortened to OHP in classrooms
- beamer
informal term used mainly in Europe and South Asia; not common in Taiwan or the US
- video projector
emphasises that the device shows moving images from a digital source rather than film
用法筆記
The word can refer to several types of device: film projectors (for reels of movie film), digital projectors (connected to computers), and overhead projectors (for transparent sheets). In everyday conversation, 'projector' alone usually means a digital video projector.