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.
Physics is the study of matter, energy, and their interactions with one another. Physics seeks to study the world around us, the world inside us, and the world beyond us. It is the foundation of all other natural sciences, including chemistry, biology, oceanography, geography, and radiography.