A three-dimensional copy or representation of something in which all parts have dimensions in the same proportion to that of the original.

The process of generating abstract, conceptual, graphical and or mathematical models.

An example of a product that is kept in a store for customers to see.

(astrophysics, astronomy) A triaxial equilibrium kinematic model of an actual galaxy built using Schwarzschild's method.

The activity of making models, miniature representations of things.

The combating of prostitution by criminalizing the buyer, rather than the seller, of sexual services.

A psychometric model for analysis of categorical data, such as answers to a questionnaire, as a function of the trade-off between (a) the respondent's abilities, attitudes or personality traits and (b) the item difficulty.

Alternative form of role model

(computing) A CAD system that is capable of modelling three-dimensional objects as combinations of surfaces, solids and polygons

A sequential software development process in which development is seen as flowing steadily downwards (like a waterfall) through the phases of requirements analysis, design, implementation, testing, integration, and maintenance