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)
Usually the chromosomes are monocentric, i.e., having one centromere, but some are dicentric (two centromeres) or polycentric. Some species of hemipteran and heteropteran insects have diffuse centromeres, with microtubules attached along the length of the chromosome, such chromosomes are called holocentric.