age of parallax inequality

age of parallax inequality

[′āj əv ′par·ə‚laks ‚in·ē′kwäl·əd·ē]
(geophysics)
The time interval between the perigee of the moon and the maximum effect of the parallax (distance of the moon) upon the range of tide or speed of tidal current. Also known as parallax age.
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