**Science / Tides and Currents / Phase Inequality:** Variations in the tides or tidal currents due to changes in the phase of the Moon. At the times of new and full Moon the tide-producing forces of the Moon and Sun act in conjunction, causing the range of tide and speed of the tidal current to be greater than the average, the tides at these times being known as spring tides. At the times of the quadratures of the Moon these forces are opposed to each other, causing neap tides with diminished range and current speed.

**Inequality Noun Synonyms**: disparity, difference, discrepancy, unevenness, nonconformity, incongruence, incongruity, inconsistency, dissimilarity, imbalance

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**Phase Noun Synonyms**: stage, period, development, step

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Science / Tides and Currents / Age Of Phase Inequality: The time interval between new or full Moon and the maximum effect of these phases upon range of tide or speed of the tidal current. This age may be computed from the harmonic constants by the formula: MORE

Science / Tides and Currents / Inequality: A systematic departure from the mean value of a tidal quantity. See diurnal inequality, parallax inequality, and phase inequality. MORE

Technology / Home Audio / Phase Shift: The fraction of a complete cycle elapsed as measured from a specified reference point and expressed as an angle. 2. Out of phase in an un-synchronized or un-correlated way. MORE