cos

conjunction
UK: /kɒz/
US: /kɑːz/

  1. Short form of 'because'.

    1. I'm happy, cos it's sunny. [ ] [ ]
    2. Cos I studied hard, I passed the test with flying colors. [ ] [ ]
cos noun

  1. A shortening of the word 'cosine', used in mathematics.

    1. The cos of 0 is 1. [ ] [ ]
    2. We use cos to calculate the adjacent side of the triangle. [ ] [ ]

Frequently Asked Questions

The phonetic transcription of "cos" is /kɒz/ in British English and /kɑːz/ in American English. Click the 🔊 button to hear both pronunciations.

Example usage of "cos": "I'm happy, cos it's sunny.". More examples on the page.