R Business & Finance Abbreviation

Brazilian Real

Railroad

Railway

Resistance

Resistance, represented by the symbol R and measured in ohms, is a measure of the opposition to electrical flow in DC systems. Resistance is the voltage across an element divided by the current (R = V/I).

Reset

A process of automatically adjusting the control point of a given controller to compensate for changes in outdoor temperature. The hot deck control point is normally reset upward as the outdoor temperature drops. The cold deck control point is normally reset downward as the outdoor temperature increases. To return a document to its original lifecycle state. also exception state, lifecycle policy.

Return

The amount that is earned by someone who holds an asset, usually expressed as a percentage of what it cost to acquire the asset. The return includes interest, dividends, and capital gains and losses, the latter due to both changes in the price of the asset and, for international holdings, changes in exchange rates.

Range

The difference between the highest and lowest values of a measurable attribute of the output of a process. An area between two limits within which a quantity is measured, stated in terms of a lower and upper limits. The categorization of an attribute into different segments. The set of values that a quantity or function may take.

Reduction

A 'leading back' Correction of an apparent position or value, to give a true position, or value. In general, the transformation of data from a "raw" form to some useable form.

River

In geology, saltation is a specific type of particle transport by fluids such as wind or water. It occurs when loose material is removed from a bed and carried by the fluid, before being transported back to the surface. Examples include pebble transport by rivers, sand drift over desert surfaces, soil blowing over fields, or even snow drift over smooth surfaces such as those in the Arctic or Canadian Prairies.