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.
Various examples of physical phenomena. Physics (from Ancient Greek: ÏÏÏÎ¹ÎºÎ® (á¼ÏÎ¹ÏÏÎ®Î¼Î·) phusiká¸ (epistá¸mÄ) knowledge of nature, from ÏÏÏÎ¹Ï phÃºsis nature) is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.