Define on the whole. on the whole synonyms, on the whole pronunciation, on the whole translation, English dictionary definition of on the whole. adj. 1. a. Containing all components; complete: the whole series of novels. b. Not divided or disjoined; in one unit: a whole loaf. c. Constituting the full...
The common hippopotamus (Hippopotamus amphibius), or hippo, is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus (Choeropsis liberiensis or Hexaprotodon liberiensis). The name comes from the ancient Greek for river horse (á¼±ÏÏÎ¿ÏÏÏÎ±Î¼Î¿Ï).
For the journal of the same name, see Hippocampus (journal). The hippocampus is a part of the forebrain, located in the medial temporal lobe. It belongs to the limbic system and plays major roles in long term memory and spatial navigation.