Pin tumbler lock. A common type of pin tumbler lock, of the euro cylinder type. The pin tumbler lock (or Yale lock, after lock manufacturers Yale) is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key.
noun. A person creating a diagram. A person creating a diagram. The definition of a diagram is a graph, chart, drawing or plan that explains something by showing how the parts relate to each other. An example of diagram is a chart showing how all the departments within an organization are related.
1. a drawing or plan that outlines and explains the parts or operation of something. 2. a figure, usu. consisting of a line drawing, made to accompany and illustrate a geometrical theorem or the like. 3. a chart or plan. 4. to make a diagram of. diagramma dia -, -gram 1 ]. diâ²aâ¢gram`maâ¢ble, adj.