projector

Everyday

1. A projector is a machine that shines light through or from a picture or video so that a large image appears on a screen or wall. tree →
2. In school, a projector is often fixed to the ceiling and connected to a computer or interactive whiteboard. tree →

In the lessons

In everyday school life, teachers use projectors to show slides and videos. In science lessons, a projector shows how a lens bends light to make an image bigger. In stories, an old film projector clicking in a dark room sets a mood. Phrases: «turn on the projector», «overhead projector», «film projector».

Examples

• The teacher switched on the projector to show the video. tree →
• The projector bulb blew in the middle of the film. tree →
• We made a shoebox projector with a magnifying glass. tree →
• Old cinemas used huge film projectors. tree →
• Can someone turn the lights off so we can see the projector? tree →
• The projector made the picture as big as the wall. tree →

Note

Countable noun. Stress: «pro-JEK-tor». Related: project (verb: pro-JECT, to shine or throw forward) and project (noun: PRO-ject, a piece of work). Do not confuse with «protector».