overhead projector - Definition & Meaning

a device that projects images or text from a transparency onto a screen or walla device that projects images or text from a transparency onto a screen or wall

An overhead projector is a device that displays images, text, or diagrams onto a surface, such as a wall or projection screen, by shining light through transparent sheets. It is commonly used in classrooms, meetings, and presentations. The user places a transparent sheet with written or printed content on the projector’s glass surface, and the image is magnified and shown to the audience. Overhead projectors are often used for teaching or displaying visual information to a group, offering a simple way to share content in real time.An overhead projector is a device that displays images, text, or diagrams onto a surface, such as a wall or projection screen, by shining light through transparent sheets. It is commonly used in classrooms, meetings, and presentations. The user places a transparent sheet with written or printed content on the projector’s glass surface, and the image is magnified and shown to the audience. Overhead projectors are often used for teaching or displaying visual information to a group, offering a simple way to share content in real time.

例句

The teacher used an overhead projector to display the lesson notes to the class.
老师使用投影仪向班级展示课程笔记。
The presenter set up the overhead projector for the business meeting to showcase the sales figures.
主持人为了在商务会议上展示销售数据，设置了投影仪。
She prepared transparent slides to use with the overhead projector during her presentation.
她准备了透明的幻灯片，以便在演示期间与投影仪一起使用。