Technical Science and Engineering

(engineering is the technical science in which properties of matter and the sources of power in nature are made useful to people; such as, in structures, devices, machines, and products)

electromagnet (s) (noun), electromagnets (pl)
Coils with soft iron cores which act as magnets when electric currents are passed through them.
electromotive force (s) (noun), electromotive forces (pl)
The forces which move electric currents around circuits; for example, generators produce electromotive forces.
engine (s) (noun), engines (pl)
Machines which apply power to do work and convert various forms of energy into mechanical forces and motions; such as, automobile engines, that use internal combustion to create the movements of vehicles.
expansion joint (s) (noun), expansion joints (pl)
A space, or spaces, that are left in structures, roads, or streets which allow for the expansions and contractions of the materials which are caused by heat and cool environments.
fuse (s) (noun), fuses (pl)
Safety devices which protect circuits from receiving too much current.

The wires of the fuses melt in response to too much electric current passing through them, and so, they break the circuits.

galvanometer (s) (noun), galvanometers (pl)
Instruments which detect, measure, and determine the directions of small electric currents.
gasket (s) (noun), gaskets (pl)
Deformable materials; usually, rings of plastics or metals, which are used to make pressure-tight joints; normally, between two stationary parts.
generator (s) (noun), generators (pl)
Machines which convert mechanical energies into electrical energies.
girder (s) (noun), girders (pl)
Large beams made of metal, wood, or concrete that are usually found in skyscrapers and other large buildings and which are used for structural supports.
insulator (s) (noun), insulators (pl)
Devices with high resistance to heat, electricity, or sounds; for example, electrical insulators prevent electricity from sending currents to other objects.
lubricant (s) (noun), lubricants (pl)
Substances; such as oil or grease, applied to surfaces in order to reduce friction.
machine (s) (noun), machines (pl)
Devices which help to perform work: "Most machines either overcome forces or change the direction of the applied forces."