partnumber
nounUK /ˈpɑːtˌnʌmbə/
US /ˈpɑːrtˌnʌmbər/
A part number is a special name or set of letters and numbers that helps people find one exact piece of a machine or product.
The mechanic looked up the part number to order a new brake pad for the car.
RELATED WORDS
OTHER MEANINGS
2. A code used by a store or company to track a specific item for sale.
The clerk typed the part number into the computer to check the price.
3. An identifier printed on a package or label to match a replacement piece.
Make sure the part number on the box matches the one in the manual.
4. A unique label used in manufacturing to tell similar-looking components apart.
Two screws looked the same, but their part numbers were different.