This onomatopoeic word was first coined by the ancient Greeks and quite simply translates as rumbling."
Another major cause of stomach growls is hunger.
The MMC is triggered every 90 to 120 minutes, between meals.

Luckily, it usually quiets downovernight.
The noises seem louder when you’re hungry because there’s nothing in the intestines to muffle the sound.
Most of the time, however, the only person who can hear your tummy rumbling is you.