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# periscope

«periscope» in Mova's school dictionary: **A long tube with mirrors at each end that lets you see…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (a periscope, periscopes)

### meaning for a pupil

A long tube with mirrors at each end that lets you see over or around something, used in submarines and in toys. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#m1)

### sense in the lessons

In science lessons on light, pupils build a periscope with two mirrors at 45 degrees to show that light reflects. In stories a submarine raises its periscope to look above the sea. Phrases: up periscope, look through a periscope, make a periscope.

### examples

- The captain raised the periscope to look at the ships. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x1)
- We made a periscope from a juice carton and two mirrors. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x2)
- With a periscope you can see over a wall. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x3)
- Light bounces off both mirrors in a periscope. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x4)
- He used his periscope to watch the parade over the crowd. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x5)
- The periscope rose out of the water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/#x6)

### note

Countable: a periscope, periscopes. The mirrors are parallel, each tilted at 45 degrees. Do not mix up with telescope (makes far things look nearer) or microscope (makes tiny things look bigger).

### In the corpora

- [A periscope uses two mirrors to let you see over things.](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/14/)

### Trees and pragmatics

[Every meaning and example of «periscope» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/periscope/), each sentence with its dependency tree and frames.