Excitation is the amount of energy (energy in a general sense, not energy as defined in physics) that Curtis has. In physics there is a specific technical definition for energy level which is why the word excitation has been chosen for the general case. An atom can be excited to an excited state. Physics (from the Greek, φυσικός (physikos), natural, and φύσις (physis), nature) is the science of the natural world dealing with the fundamental constituents of the universe, the forces they exert on one another, and the results produced by these forces. ... A quantum mechanical system can only be in certain states, so that only certain energy levels are possible. ... In quantum mechanics, an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum). ...

In the physical world temperature is indicative of the level of excitation. Temperature is also the name of a song by Sean Paul. ...

At higher levels of excitation processes usually proceed faster. Look up Process in Wiktionary, the free dictionary Process (lat. ...

Brian Wilson of the Beach Boys coined the pluralized version of excitation in his hit song "Good Vibrations." In which he sang, "I'm picking up good vibrations, she's giving me excitations." Brian Wilson uses the term 'excitations' to convey his feelings of sexual arousal. Brian Wilson, 1988 Brian Douglas Wilson (born June 20, 1942, in Hawthorne, California) is an American pop musician, best known as a founding member of and the main producer, composer, and arranger for The Beach Boys. ... The Beach Boys 1976 album 15 big ones The Beach Boys are a pop music group formed in Hawthorne, California in 1961, whose popularity has lasted into the twenty-first century. ...

to add: excitation in people, comparison to energy in people and physical systems