dygogram

English edit

Etymology edit

Blend of dynamic +‎ goniometric +‎ diagram

Noun edit

dygogram (plural dygograms)

(nautical) A chart showing the horizontal variation in the magnetic force acting on a ship's compass needle by the iron within the ship, as a function of course steered

Retrieved from "https://en.wiktionary.org/w/index.php?title=dygogram&oldid=51722947"