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)
Concentric describes something, like circles, that have a common center. Concentric is from the Latin word concentricus, from com (together) plus centrum (center or circle). So, concentric things have a center in common. If you play darts, you aim for the smallest red dot of those colorful concentric circles.