Definition, Meaning & Synonyms
bi
Prefix
/baɪ/
![](https://vocabdictionary.com/wp-content/uploads/2024/11/brand_identity-01.png)
Definition
A prefix meaning ‘two’ or ‘twice’.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/migrate-02.png)
Examples
- Biannual – occurring twice a year
- Bicycle – a vehicle with two wheels
- Binoculars – an optical instrument with two telescopes
![](https://vocabdictionary.com/wp-content/uploads/2024/11/ux-02.png)
Meaning
The prefix ‘bi’ indicates a doubling or the presence of two. It is often used in various terms across different fields, including mathematics and biology.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/text-file-font.png)
Synonyms
- Double
- Twice