Internal Tide

Science / Tides and Currents / Internal Tide: A tidal wave propagating along a sharp density discontinuity, such as a thermocline, or in an area of gradually changing (vertically) density.

Primary Control Tide Station

Science / Tides and Currents / Primary Control Tide Station: A tide station at which continuous observations have been made over a minimum of 19 years. Its purpose is to provide data for computing accepted values of the harmonic and non-harmonic constants essen MORE

Priming Of Tide

Science / Tides and Currents / Priming Of Tide: The periodic acceleration in the time of occurrence of high and low waters due to changes in the relative positions of the Sun and Moon. MORE

Portfolio Internal Rate Of Return

Business / Finance / Portfolio Internal Rate Of Return: The rate of return computed by first determining the cash flows for all the bonds in the portfolio and then finding the interest rate that will make the present value of the cash flows equal to the ma MORE

Polypeptide

Science / Genetics / Polypeptide: A protein or part of a protein made of a chain of amino acids joined by a peptide bond. MORE

Perigean Tides Or Tidal Currents

Science / Tides and Currents / Perigean Tides Or Tidal Currents: Tides of increased range or tidal currents of increased speed occurring monthly as the result of the Moon being in perigee. The perigean range (Pn) of tide is the average range occurring at the time o MORE

Polynucleotides

Science / Biology / Polynucleotides: Long chains of nucleotides formed by chemical links between the sugar and phosphate groups. MORE

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