[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/knob/)

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# knob

noun (a knob, knobs)

«knob» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. A knob is a round handle you turn or pull to open a door or drawer. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#m1)
2. A knob is a round button you turn to control a machine, like the volume on a radio or the heat on a cooker. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#m2)
3. A knob is a small round lump on something, like a knob on a tree trunk. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#m3)
4. A knob of butter is a small lump of it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#m4)

### In the lessons

Everyday and safety: door knobs and cupboard knobs; cooker knobs control gas and heat, so never play with them; some homes have knob covers to stop toddlers. In science, microscopes have focus knobs. In cooking, «a knob of butter» is a small piece. Phrases: «turn the knob», «door knob», «a knob of butter», «volume knob».

### Examples

- Turn the knob to open the door. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x1)
- Don't touch the cooker knobs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x2)
- Turn the knob on the radio to make it louder. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x3)
- Add a knob of butter to the hot pasta. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x4)
- The drawer knob came off in my hand. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x5)
- Use the focus knob to make the picture clear. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x6)
- The old tree had a big knob on its trunk. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x7)
- The baby gate has a knob that's hard for toddlers to turn. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x8)
- The iron railing looks like the gate of a cemetery, and there are brass knobs upon it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/#x9)

### Note

The k is silent: said like «nob». Countable: «a knob, knobs». «Doorknob» is often written as one word. In British slang «knob» is a rude word for a person, so use it carefully.

## On Mova

- [Trees and pragmatics of «knob» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/K/knob/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«knob» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/knob.html) on Mova free.