economic: 1. Pertaining to the household; domestic. 2. Relating to domestic economy, or to the management of household affairs. 3. Managing with frugality; guarding against waste or unnecessary expense; careful and frugal in management and in expenditure; - said of character or habits. 4. Managed with frugality; not marked with waste or extravagance; using the minimum of time or effort or resources required for effectiveness; frugal. 5. of or pertaining to regional economy; relating to the means of living, or the resources and wealth of a region; relating to the production or consumption of goods and services of a region; as, economic growth; economic purposes; economical truths.

domestic: 1. Arising by birth; having an origin; born. 2. Of or pertaining to one's birth; natal; belonging to the place or the circumstances in which one is born; - opposed to foreign; as, native land, language, color, etc. 3. Born in the region in which one lives; as, a native inhabitant, race; grown or originating in the region where used or sold; not foreign or imported. 4. Original; constituting the original substance of anything; as, native dust. 5. Conferred by birth; derived from origin; born with one; inherent; inborn; not acquired; as, native genius, cheerfulness, wit, simplicity, rights, intelligence, etc. Having the same meaning as congenital, but typically used for positive qualities, whereas congenital may be used for negative qualities. 6. Naturally related; cognate; connected with.

geodesic: the most economical relationship between any two events.

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