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, a similarity of organs constructed in the same way and developing from identical embryonic rudiments in different animals and plants; such homologous organs may be dissimilar in appearance and perform different functions.