One who practices sound engineering.

A scientist or engineer whose speciality is genetic engineering.

(nautical) A compartment on a ship in which the engine machinery is located. / (idiomatic) The source of power in a team or other group. / (sports) The midfield.

The branch of engineering that deals with the design, construction and operation of industrial process plants, and the physical, chemical and biological processes to create substances or energy in a useful and economic form.

(computing, historical) A mechanical special-purpose computer used to generate tables of values of polynomials.

The practice of letting accidents or failures (perhaps occasioning death, but not necessarily) identify engineering problems. / 2005, Safe Skies International

(of an aircraft) powered by two engines, one in each wing

The process of developing memes, through meme-splicing and memetic synthesis, with the intent of altering the behavior of others in society or humanity.

(thermodynamics) Any device which converts heat energy into mechanical work, by moving heat from a source to a sink.

(computing) A mechanical general-purpose computer, designed by Charles Babbage but never built.