When a battery is committed with intent to do serious harm or murder, or when it is done with a dangerous weapon, it is described as aggravated. A weapon is considered dangerous whenever the purpose for using it is to cause death or serious harm.
Meaning: Having a common center. Synonyms: concentric; concentrical; homocentric. Context example: concentric rings. Similar: coaxal; coaxial (having a common axis)
Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor.