purchasing unit
nounUK /ˈpɜːtʃɪsɪŋ ˈjuːnɪt/
US /ˈpɜːrtʃəsɪŋ ˈjuːnɪt/
A purchasing unit is a group or amount of something that you buy together as one.
The store sells apples by the purchasing unit of one bag.
OTHER MEANINGS
2. A department in a company that buys things for the company.
She works in the purchasing unit and orders all the office supplies.
3. The smallest amount of a product that a shop will sell at one time.
The purchasing unit for these pencils is a box of twelve.
4. A group of people who join together to buy things in bulk.
Our neighborhood formed a purchasing unit to get cheaper vegetables.