(Encyclopedia) pentimentopentimentopĕnˌtəmĕnˈtō [key], painter's term for the evidence in a work that the original composition has been changed. Often the opaque pigment with which the artist covered…
(Encyclopedia) health-care proxy, legal document in which a person assigns to another person, usually called an agent or proxy, the authority to make medical decisions in case of incapacitation. It…
(Encyclopedia) diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in…
(Encyclopedia) Doppler effect, change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves;…
(Encyclopedia) AntichristAntichristănˈtĭkrīst [key], in Christian belief, a person who will represent on earth the powers of evil by opposing the Christ, glorifying himself, and causing many to leave…
(Encyclopedia) Obadiah, short prophetic book of the Bible. The prophet is otherwise unknown. The oracle which comprises this book dates from after the destruction of Jerusalem by the Babylonians in…
(Encyclopedia) extraditionextraditionĕkstrədĭshˈən [key], delivery of a person, suspected or convicted of a crime, by the state where he has taken refuge to the state that asserts jurisdiction over…
(Encyclopedia) miracle, preternatural occurrence that is viewed as the expression of a divine will. Its awe and wonder lie in the fact that the cause is hidden. The idea of the miracle occurs…
David DaleMarcus DalyThomas DanforthHerbert Joseph DavenportEdward DavyCharles Gates DawesGerard DebreuJohn DeereAmasa DelanoOscar de la RentaWarren de la RueMichael DellWilliam Edwards…
(Encyclopedia) athlete's heart, common term for an enlarged heart associated with repeated strenuous exercise. As a result of the increased workload required of it, the heart will increase…