Henry's law

American  

noun

Thermodynamics.

1. the principle that at a constant temperature the concentration of a gas dissolved in a fluid with which it does not combine chemically is almost directly proportional to the partial pressure of the gas at the surface of the fluid.

---

Henry's law British  

noun

1. chem the principle that the amount of a gas dissolved at equilibrium in a given quantity of a liquid is proportional to the pressure of the gas in contact with the liquid

---

Etymology

Origin of Henry's law

1885–90; named after William Henry (1774–1836), English chemist who devised it

Example Sentences

See Examples For:

Henry's law

The civil lawsuit was filed by Henry's law firm on Thursday in Harris County, Texas and seeks up to $2 billion in damages.

From Fox News ● Nov. 19, 2021

This is a mathematical statement of Henry’s law: The quantity of an ideal gas that dissolves in a definite volume of liquid is directly proportional to the pressure of the gas.

From Textbooks ● Feb. 14, 2019

Henry’s law states that the amount of a specific gas that dissolves in a liquid is a function of its partial pressure.

From Textbooks ● Jun. 19, 2013

The rate at which this occurs follows Henry’s law, a physics rule that states that the solubility of gas in a liquid is proportional to the pressure of the gas above the liquid.

From Slate ● Jun. 18, 2013

The gas does not obey Henry’s law, that is, its solubility in water is not proportional to its pressure.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various