Science / Tides and Currents / Phase Reduction: A processing of observed high and low waters to obtain quantities depending upon the phase of the Moon, such as the spring and neap ranges of tide. At a former time this process was known as second reduction. Also applicable to tidal currents.
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Technology / Computers / Quadrature Phase-Shift Keying (QPSK): A method of modulating digital signals using four phase states to code two digital bits per phase shift. MORE
Science / Biology / Prophase: 1) The first stage of mitosis during which chromosomes condense, the nuclear envelope disappears, and the centrioles divide and migrate to opposite ends of the cell. 2) The first stage of mitosis and MORE
Technology / Digital Cameras / Red-Eye Reduction: Minimizes the reflection from the camera's built-in flash. MORE
Science / Biology / Reduction: The gain of an electron or a hydrogen atom. The gain of electrons or hydrogens in a chemical reaction. MORE
Science / Chemistry / Reduction Half Reaction: That part of a redox reaction that involves gain of electrons. In the oxidation half reaction, the oxidation number of one or more atoms within the reactants is reduced. MORE
Business / Real Estate / Reduction Certificate (Payoff Statement): The document signed by a lender indicating the amount required to pay a loan balance in full and satisfy the debt, used in the settlement process to protect both the sellers and the buyers interests. MORE