- noun the science of applying the study of electrons and their properties to manufactured products such as components, computers, calculators or telephones
- plural noun the scientific study of systems worked by a flow of electrons which are used in manufactured products, such as computers, calculators or telephones
- noun the application of knowledge of electrons and their properties to manufactured products such as computers and telephones
- The science that deals with the study, design, use, effects, and improvement of components and devices which conduct electrons, or other charge carriers such as electron holes or ions, through a vacuum, gas, or semiconductor. These components and devices perform functions such as amplification, rectification, and switching, and include electron tubes and transistors. Electronics also includes the equipment and systems which incorporate said components and devices. The applications of electronics are countless, and its technology is the basis of computers, cellular telephony, TV receivers, microwave ovens, sound and video recording and reproducing equipment, and so on.