- noun a system in which goods are made or purchased just before they are needed, so as to avoid carrying high levels of stock.
- A "pull" logistical system driven by actual demand. The goal is to produce, provide or deliver parts or supplies just in time for the next operation. The approach reduces stock inventories or storage costs, but leaves no room for error.
- In computers, performed on the fly, or just before a program is run. Its abbreviation is JIT.