homoeomeria

Meanings

1. The state or quality of being homogeneous in elements or first principles; likeness or identity of parts.
2. A doctrine in the philosophy of Anaxagoras, that the atoms constituting a substance must themselves have the salient observed properties of that substance. e.g. atoms of water would be wet, atoms of iron would be hard, atoms of wool would be soft, etc.

Etymology

From Ancient Greek ὅμοιος (hómoios, “similar, like”) or ὁμοῖος (homoîos, “similar, like”) with μέρος (méros, “portion, part, share”).