The Significance and Meaning of Peace Definition of Peace. The word for peace is eirhnh. It apparently comes from eirw which means âto join.â It means a state of untroubled tranquillity, a state without war or dividing factions or enmity. It refers to a state of harmony and well being.
physics - Computer Definition. The science of matter and energy, and their properties and interactions in fields including mechanics, acoustics, optics, heat, electricity, magnetism, radiation, and atomic and nuclear science. Physics is the science of how things work.
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space; this includes atoms and anything made up of these, but not other energy phenomena or waves such as light or sound.[1][2] More generally, however, in (modern) physics, matter is not a fundamental concept because a universal definition of it ...