Change

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CHANGE. The exchange of money for money. The giving, for example, dollars for eagles, dimes for dollars, cents for dimes. This is a contract which always takes place in the same place. By change is also understood small money. Poth. Contr. de Change, n. 1.

References in periodicals archive ?
Their ability to change colors help them blend into the forest.
FUTURE FOOD -- The fruits of nanotechnology could include tiny sensors in food packaging that change color when milk or cheese goes bad and nanoscopic capsules I that store antioxidants or flavorings inside foods until they're eaten.
These tiny sensors, built of a porous form of silicon, just look like sparkly specks of dust, but each one is designed to change color in a characteristic way when a particular organic material alights upon it.
In a step toward warning badges for military personnel and spoilage indicators for supermarket items, researchers have created novel films that change color on contact with selected chemicals, such as those found in nerve gas or rotting fish.
The crystals change color (from gold to bluish-green) at specific temperatures from 331 to 488 F.
Bernays of the University of Arizona in Tucson welcomes the new finding as "a fascinating detail." As she puts it, "Imagine if sitting on a crowded train with thighs touching made people gregarious or made their skin change color."
The courting pair might change color, sidle by each other, swim side-by-side holding tails, or grip the same strand of sea grass with their tails and wheel around it in unison.
Janeway's group modified CD8 T cells so that they would change color when they come into contact with their activating antigen.
Only a few buzz-pollinated species change color with age.
Frankel of Ohio State University in Columbus described paints that change color if the underlying metal becomes corroded.
Similarly, sensors that change color provide a clear way to discern the presence of chemical substances.
The scientists found that as a flower opens, its sap grows more alkaline, causing the pigment molecules to change color, they said at last month's meeting of the ICCPBS in Honolulu.