(biology) the field of science concerned with processes of communication and control (especially the comparison of these processes in biological and artificial systems)
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"
(broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs; "the networks compete to broadcast important sports events"
(electronics) a system of interconnected electronic components or circuits
a system of intersecting lines or channels; "a railroad network"; "a network of canals"
an interconnected system of things or people; "he owned a network of shops"; "retirement meant dropping out of a whole network of people who had been part of my life"; "tangled in a web of cloth"
communicate with and within a group; "You have to network if you want to get a good job"