the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
(computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated"
one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
the role of the head of a government department; "he holds the portfolio for foreign affairs"
a large, flat, thin case for carrying loose papers or drawings or maps; usually leather; "he remembered her because she was carrying a large portfolio"
a list of the financial assets held by an individual or a bank or other financial institution; "they were disappointed by the poor returns on their stock portfolio"
a set of pieces of creative work collected to be shown to potential customers or employers; "the artist had put together a portfolio of his work"; "every actor has a portfolio of photographs"
elaboration of an interpretation by the use of decorative (sometimes fictitious) detail; "the mystery has been heightened by many embellishments in subsequent retellings"
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audio tape and compact disc
an arithmetic operation that is the inverse of division; the product of two numbers is computed; "the multiplication of four by three gives twelve"; "four times three equals twelve"
a multiplicative increase; "repeated copying leads to a multiplication of errors"; "this multiplication of cells is a natural correlate of growth"