A metal alloy used in making types for traditional typefounding and mechanical typesetting. It consists essentially of lead and antimony, often with a little tin, nickel, or copper.

(programming) A style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface.

plural of type II error

plural of type I error

(statistics) Accepting the null hypothesis when the null hypothesis is false.

(statistics) Rejecting the null hypothesis when the null hypothesis is true.

plural of typebar

In some typewriters, an arm actuated by pressing the keys that carried the type to strike the ribbon to form a letter.

(computing, programming) A system in which type checking is performed during compilation and not at run time, opposed to dynamic typing.

(computing, programming) A system in which type checking is performed at run time and not at compilation, opposed to static typing.