# interarea
## English
### Etymology

From inter- +‎ area.

### Adjective

interarea (not comparable)
* Between areas.
** 2002, Wei-Bin Zhang, An Economic Theory of Cities, →ISBN, page 16:It is shown that an improvement of interarea transport facilities may encourage trade and as a consequence decrease the disparity in area size.
** 2007, Alan Heston, Robert E. Lipsey, International and Interarea Comparisons of Income, Output, and Prices, →ISBN:Finally, as stated earlier, note that these adjustment factors can be used to add back to the characteristics-adjusted indexes the influence of variables that an analyst does not wish to remove in making interarea comparisons.
** 2014, Toby L. Ditz, Property and Kinship: Inheritance in Early Connecticut, 1750-1820, →ISBN:Nevertheless, significant interarea differences in patterns of rights creation or in the distribution of property will not be reducible to differences in rates of testacy.

### Noun

interarea (plural interareas)
* (zoology) A typically triangular shelf of shell on some brachiopods that serves as a weight-bearing surface to stabilize the valves.
** 1938, Edward Oscar Ulrich, Gustav Arthur Cooper, Ozarkian and Canadian Brachiopoda, page 73:The brachiophore or brachial process is a simple, somewhat flat blade located at the notothyrial margin and underlying the notothyrial edge of the interarea.
** 1942, Preston E. Cloud, Jr., Terebratuloid Brachiopoda of the Sillurian and Devonian, →ISBN, page 21:In one sense the interareas, planareas, and palintropes are genetically the same in that they are all surfaces resulting from increment to the posterior margin.
** 1949, Geological Survey Professional Paper, page L-2:The posterio-lateral socket ridge lies between the socket and the interarea (pl. 2, figs. 9b, 13b, 16b). The posterio-lateral socket ridges are accommodated by grooves in the hinge teeth of concavo-convex species or pockets between the hinge teeth and the interarea of resupinate species.
** 1995, Andrzej Baliński, Palaeontologia Polonica, number 54, page 60:Pedicle valve with well developed sulcus; height and concavity of interareas highly variable, apsacline to catacline, rarely slightly procline.
** 2013, Donald R. Prothero, Bringing Fossils to Life: An Introduction to Paleobiology, →ISBN, page 334:Spiriferides tend to have highly biconvex shells, with well-developed radial costae and a large interarea on the ventral valve.
* (geology) An area where the soil composition differs significantly from the surrounding region.
** 1968, Technical Bulletin - Issues 1382-1394, page 12:In arranging the data for analyses, all sites that exhibited the behavior of an alkali or saline-alkali soil were grouped together and the panspot designation was used only for the panspot interareas. This was done because the panspot interareas were so widely different in their intake characteristics from the actual panspots themselves.
** 1968, Frank Rauzi, Claude Lee Fly, E. J. Dyksterhuis, Water Intake on Midcontinental Rangelands as Influenced by Soil and Plant Cover:Soils in the interareas may be moderately deep and have fair to good vegetal cover ; thus, the rate of water intake on the interareas may be quite high.
** 1979, Paul C. Franks, Paralic to fluvial record of an early Cretaceous marine transgression, page 18:The pale-gray and light greenish-gray interareas between the red mottles in Longford clay rocks are composed of the same clay minerals that are present in the mottles.

#### Derived terms

* pseudointerarea