Natural forms of moisture in the atmosphere. An important point to remember is that each time water changes state it either gives off or takes on heat energy. When ice melts it requires about 144 BTUs of heat to change 1 pound of ice to water with a temperature of 32Â°. This is called the heat of fusion.
Noun. 1. chimp-intelligent somewhat arboreal ape of equatorial African forests. chimpanzee, Pan troglodytes. great ape, pongid-any of the large anthropoid apes of the family Pongidae.
Definition of nymph for English Language Learners. 1  in stories : a spirit in the shape of a young woman who lives in mountains, forests, meadows, and water. : 2  a young insect that has almost the same form as the adult.