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.
The study of physics is essentially the study of everything. Energy can take the form of light, motion, gravity, electricity, radiation and many others. Matter is an incredibly broad term that encompasses everything from subatomic particles like quarks to unfathomably large galaxies.