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Charles' law

British  
/ ˈtʃɑːlzɪz /

noun

  1. Also called: Gay-Lussac's law.  the principle that all gases expand equally for the same rise of temperature if they are held at constant pressure: also that the pressures of all gases increase equally for the same rise of temperature if they are held at constant volume. The law is now known to be only true for ideal gases

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Charles' law

C18: named after Jacques A. C. Charles (1746–1823), French physicist who first formulated it

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are two laws relating to gases that can be used here to work out the behaviour of the air mix of argon and oxygen: Charles’ Law to add the components up, and Boyle’s Law to show what happens when the pressure increases.

From Scientific American

Charles’ law describes the relationship of the volume of a gas to its temperature.

From Literature

There is a point at which gas, in theory, takes up no space at all; Charles’ law says that a balloon of gas must shrink to zero space.

From Literature

In the 1850s, however, William Thomson, a British physicist, noticed something odd about Charles’ law: the specter of zero.

From Literature

For instance, the statistical description of a gas explains Charles’ law.

From Literature