volatility

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volatility

[‚väl·ə′til·əd·ē]
(thermodynamics)
The quality of having a low boiling point or subliming temperature at ordinary pressure or, equivalently, of having a high vapor pressure at ordinary temperatures.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Volatility

 

the property of liquid and solid substances of passing into the gaseous state. Volatility is measured by the concentration of saturated vapor for a substance at a particular temperature; it is expressed in milligrams per cu m or milligrams per liter and is calculated using the equation of state for ideal gases. The volatility of a substance increases with increasing temperature because of an increase in its saturated vapor pressure. In thermodynamics, “volatility” is also used in place of “fugacity.”

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

volatility

Volatility generally refers to a situation that is constantly changing, such as startups, mergers, acquisitions and failures in the tech world. Stock market volatility refers to the index constantly rising and falling. In all cases, the rate of volatility or the change in volatility are of major concern. See volatile.
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