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# colourless

«colourless» in Mova's school dictionary: **having no colour at all, like clear water or air** — its meaning for a pupil, its sense in the lessons and examples, with 2 sentences of Mova's corpora that use it.

### part of speech

adjective (colourless; US «colorless»)

### meaning for a pupil

1) Colourless means having no colour at all, like clear water or air. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#m1)

2) Colourless can mean pale and grey: «a colourless face». [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#m2)

3) Colourless can mean dull and boring, with nothing interesting: «a colourless town». [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#m3)

### sense in the lessons

In science lessons, many gases (oxygen, carbon dioxide) and liquids (water) are colourless; pupils learn that colourless is not the same as invisible or safe, as some colourless gases are poisonous. In stories, a colourless person is dull or shy. Phrases: «colourless liquid», «colourless gas», «colourless and odourless».

### examples

- Water is a colourless liquid. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x1)
- Oxygen is a colourless gas with no smell. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x2)
- After the shock, her face was colourless. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x3)
- The old town felt grey and colourless. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x4)
- Carbon monoxide is colourless and deadly, so homes need alarms. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x5)
- Mix the colourless solution with the indicator and watch it turn pink. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/colourless/#x6)

### note

British spelling «colourless»; US «colorless». Colourless means «no colour», but «clear» and «transparent» mean you can see through it; a colourless liquid is usually clear. Safety trap: a colourless liquid in a bottle may not be water.

### In the corpora

- [A polar bear's fur looks white, but each hair is actually colourless and the skin underneath is black.](https://md.mova.elamur.ai/free/en/corpora/school/myths/28-where-did-you-read-that-checking-sources/16/)
- [Each hair of a polar bear's fur is colourless, and the skin underneath is black.](https://md.mova.elamur.ai/free/en/corpora/school/myths/37-olympiad-how-could-you-check-it/12/)

### Trees and pragmatics

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