laser pointer (B1)
noun phrase
Pronunciation: /ˈleɪzər ˈpɔɪntər/
Definition
A small device that emits a concentrated beam of light, often used for pointing to or highlighting objects, typically during presentations or lectures.
Examples
She used a laser pointer to point out the key features of the new product.
The professor used a laser pointer to highlight the important equations on the board.
The laser pointer helped the speaker to engage the audience and add visual emphasis to his talk.
How to Use laser pointer
- use a laser pointer (verb phrase)
- to use the device for pointing or highlighting — "She used a laser pointer to point out the key features of the new product."
- laser pointer safety (noun phrase)
- precautions taken to avoid injury from the device — "The teacher warned the students about laser pointer safety and the importance of not shining it into people's eyes."
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