Over-excited
121radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
122Edinburgh — EDINBURGH, a city, the seat of a university, and the metropolis of the kingdom of Scotland, situated in longitude 3° 10 30 (W.), and latitude 55° 57 29 (N.), about a mile (S. by W.) from Leith, 40 miles (S.S.W.) from Dundee, 42 (E. by N.) from …
123Stimulated emission — In optics, stimulated emission is the process by which an electron, perturbed by a photon having the correct energy, may drop to a lower energy level resulting in the creation of another photon. The perturbing photon is seemingly unchanged in the …
124photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… …
125Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
126analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
127Desperate Housewives (season 7) — Desperate Housewives Season 7 ABC promotional poster for the seventh season of Desperate Housewives. From left to right: Lynette, Susan, Renee, Gabrielle, and Bree. Country o …
128nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …
