an engine of one or more working cylinders in which the process of combustion takes place within the cylinders.
a heat engine in which heat is supplied by burning the fuel in the working fluid (usually air)
An engine whose fuel is burned inside the engine itself rather than in an outside furnace or burner. Gasoline and diesel engines are internal-combustion engines, as are gas turbine engines such as turbojets. Compare steam engine.
Any engine powered by burning fuel inside it (for example, a standard automobile engine). Internal-combustion engines normally burn fossil fuels and therefore are a major source of air pollution. (See smog.)
noun 1. psychological struggle within the mind of a literary or dramatic character, the resolution of which creates the plot’s suspense: Hamlet’s inaction is caused by internal conflict. 2. mental struggle arising from opposing demands or impulses. noun in literature and drama, a struggle which takes place in the protagonist’s mind and through which the […]
- Internal conjugate
internal conjugate n. See conjugate.
noun, Physics. 1. the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.
noun 1. the inner portion of the ear, involved in hearing and balance, consisting of a bony labyrinth that is composed of a vestibule, semicircular canals, and a cochlea and that encloses a membranous labyrinth. Compare 1 (def 1). noun 1. the part of the ear that consists of the cochlea, vestibule, and semicircular canals […]