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All Equity Rate: The discount rate that reflects only the business risks of a project, distinct from the effects of financing.

Parallax Reduction: A processing of observed high and low waters to obtain quantities depending upon changes in the distance of the Moon, such as perigean and apogean ranges.

Parallax Inequality: The variation in the range of tide or in the speed of a tidal current due to changes in the distance of the Moon from the Earth. The range of tide and speed of the current tend alternately t . . . View Full Definition

Parallel: The angular relationship between two planets that occupy the same degree (within 1° orb) and direction of declination, both north or both south. Interpretational emphasis is similar to that . . . View Full Definition

Parallel Cable: A multi-conductor cable carrying simultaneous transmission of digital data bits.

Parallel Digital: A digital video interface which uses twisted pair wiring and 25-pin D connectors to convey the bits of a digital video signal in parallel. There are various component and composite parallel . . . View Full Definition

Parallel Data: Transmission of data bits, in groups, along a collection of wires (called a bus). A parallel bus may accommodate transmission of one 8-, 16-, or 32-bit byte at a time.

Parallax: In tidal work, the term refers to horizontal parallax, which is the angle formed at the center of a celestial body between a line to the center of the Earth and a line tangent to the Earth's . . . View Full Definition

Pallilalia: word or phrase is repeated

Palladium (Pd): Atomic number: 46, Atomic mass: 106.42 g.mol -1, Electronegativity: 2.2, Density: 11.9 g.cm-3 at 20°C, Melting point: 1560 °C, Boiling point: 2927 °C, Isotopes: 9, Vanderwaals radius: 0.065 . . . View Full Definition