In a manner relating to or characteristic of geodesy; using geodetic methods or principles of earth measurement.
From geodetic + -ally (Latin -alis + -ly), the standard adverbial form. Creates an adverb from the adjective.
When engineers say a measurement is 'geodetically accurate,' they mean it's precise enough to work with satellite positioning and mapping systems that require meter-level precision.
Complete word intelligence in one call. Free tier — 50 lookups/day.