The definition of the limits of a taxon is called its 'circumscription'.

A condition meeting the word's definition is normally called silicosis.

The popular definition can only be called confused.

In Canada, this definition is therefore more commonly called a "twinstick".

First applied in 1987, this general definition was provided and is now called the McKinney-Vento Act.

The definition given above is sometimes called strong 2-mixing, to distinguish it from higher orders of mixing.

These definitions are called the semantic model.

The inductive definition used to make this assignment is called the T-schema.

Note that this definition uses a weak inequality, and is therefore sometimes called weak diagonal dominance.

The traditional definition is called "libertarian" or "deep" free will.