Other forms: kilos
A kilo is a thousand grams. Two kilos of potatoes, lose a kilo, a kilo bag.
It is the clipped word people use in shops and gyms, where the full kilogram sounds official. As a prefix, kilo means a thousand of anything — kilometre, kilowatt, kilojoule — and it comes from the Greek for a thousand.
1nounkiloA unit of weight equal to a thousand grams.
“Could I have a kilo of potatoes and half a kilo of onions, please?”
kilo is a unit.