Nursing Central is the award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:
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1. A close connection between individuals or nations.
2. In chemistry and physics, a force that binds ions or atoms together. It is represented by a line drawn from one molecule or atom to another as in H−O−H, in which the lines represent a pair of electrons.