a branch of knowledge

the branch of engineering science concerned with the design and construction of aircraft

application of biological principles to the study and design of engineering systems (especially electronic systems)

the branch of engineering science in which biological science is used to study the relation between workers and their environments

the branch of engineering that is concerned with the design and construction and operation of the plants and machinery used in industrial chemical processes

the branch of engineering concerned with the design and construction of such public works as dams or bridges

(engineering) the art or technique of trying to control rivers with dams etc in order to minimize the occurrence of floods

(technology) a process that acts to absorb or remove energy or a substance from a system

(technology) a process by which energy or a substance enters a system