| PsalteryA psaltery is a stringed musical instrument dating back to at least 300 BC. It consists of a soundboard with several pre-tuned strings that are usually plucked, but may also be bowed. The instrument is usually small enough to be portable; its shape and ra | Pseudo-Riemannian manifoldIn differential geometry, a pseudo-Riemannian manifold is a smooth manifold equipped with a smooth, symmetric, (0,2) tensor which is nondegenerate at each point on the manifold. This tensor is called a pseudo-Riemannian metric or, simply, a pseudo-) metri | Psychological projectionPsychological projection can be defined as unconsciously assuming that others share the same or similar thoughts, beliefs, values, or positions on any given subject. According to the theories of Sigmund Freud, it is a psychological defense mechanism where |
| PseudoarchaeologyPseudoarchaeology is an aspect of pseudohistory. Both of them are forms of pseudoscience and refer to the ideologically-driven, usually sensational interpretation of the past. Pseudoarchaeology is based on an interpretation of material remains and sites ( | PskovPskov ancient spelling also Pihkva (Estonian) and Pskow (Polish)) is an ancient Russian city, located in the north-west of Russia near the border to Estonia, on the river Velikaya. It is the capital of the Pskov Oblast. The city is believed to have been f | PsammosereIn geography, a psammosere is a sand sere an environment of sand substratum on which succession occurs. The most common psammoseres are sand dune systems. |
| Pseudo-secularismPseudo-secularism in a societal setting is the state of implicit non-secular trends in the face of pledged secularism. This is usually an allegation by groups who perceive a double-standard exhibited within the established secular governing policy towards | PsygnosisPsygnosis was a British company that published moody computer games boasting psychedelic cover art by Yes artist Roger Dean. Founded by Ian Hetherington and Jonathan Ellis, the Liverpool-based Psygnosis was essentially born from the ashes of defunct 8-bit | Pseudo-octaveA pseudo-octave is an interval whose frequency ratio is not 2:1, the definition of an octave, but is treated in some way or ways equivalent to this ratio. One example being the stretched octave 2. 1:1, which sounds out of tune played with harmonic overton |
