denominator
🇺🇸
/dɪˈnɑːmɪneɪtər/
🇬🇧
/dɪˈnɒmɪneɪtə(r)/
The number at the bottom of a fraction that tells you how many equal parts the whole is divided into.
In the fraction 3/4, the denominator is 4, which means the whole is divided into four equal parts.