sunnylady commented on the word isogony
related word......isogonic - an isogonic line is an imaginary line or a line on a map joining points on the earth's surface at chich the magnetic declination is the same....called also "isongonal"....(ca. 1859) - (Merriam-Webster's Collegiate Dictionary, Tenth Edition, p. 620)
October 9, 2012
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