a diagrammatic representation of the earth's surface (or part of it) | an agent that operates some apparatus or machine |
(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) | someone who owns or operates a business |
| a shrewd or unscrupulous person who knows how to circumvent difficulties |
| a speculator who trades aggressively on stock or commodity markets |
| (mathematics) a symbol or function representing a mathematical operation |