- the art or science of making practical application of the knowledge of pure sciences, as physics or chemistry, as in the construction of engines, bridges, buildings, mines, ships, and chemical plants.
- the action, work, or profession of an engineer.
- the art or process of designing and programming computer systems: computer engineering;software engineering.
- skillful or artful contrivance; maneuvering.
- the profession of applying scientific principles to the design, construction, and maintenance of engines, cars, machines, etc (mechanical engineering), buildings, bridges, roads, etc (civil engineering), electrical machines and communication systems (electrical engineering), chemical plant and machinery (chemical engineering), or aircraft (aeronautical engineering)
