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# polarisation

«polarisation» in Mova's school dictionary: **when light waves are made to vibrate in only one…** — 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 (polarisation — usually uncountable)

### meaning for a pupil

1) (science) Polarisation of light is when light waves are made to vibrate in only one direction, as in polarised sunglasses that cut glare. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#m1)

2) Polarisation of people is when a group splits into two sides with opposite views that move further apart. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#m2)

3) (science) It can also mean something gaining two opposite poles or charges, like a magnet or battery. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#m3)

### sense in the lessons

In science lessons it explains polarised sunglasses and how light waves travel; in news and citizenship lessons it describes politics where people stop listening to each other. Phrases: political polarisation, polarisation of light.

### examples

- Polarised sunglasses use the polarisation of light to cut glare. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x1)
- The class argued, and there was real polarisation. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x2)
- News reports talk about polarisation in politics. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x3)
- Polarisation means people end up on two opposite sides. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x4)
- Fishermen wear polarised glasses to see into water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x5)
- Polarisation in the group meant nobody would agree. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/polarisation/#x6)

### note

UK, Australia, NZ spelling: polarisation; USA and Canada: polarization. From «polar» and «pole». Usually uncountable.

### In the corpora

- [Polarisation is when people split into two sides that hardly talk to each other; common ground is what both sides agree on.](https://md.mova.elamur.ai/free/en/corpora/school/politics/15-grandma-and-uncle-on-opposite-sides-staying-friends/8/)

### Trees and pragmatics

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