pour point

American  

noun

Chemistry.

1. the lowest temperature at which a substance will flow under given conditions.

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pour point British  

noun

1. chem the lowest temperature at which a mineral oil will flow under specified conditions

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Etymology

Origin of pour point

First recorded in 1920–25

Example Sentences

"Second, the fuel must have the right boiling point distribution, and then it has to have properties called lubricity, which means it does not cause excessive wear of the turbine components. "It also has to have a very low pour point, which means the temperature at which the fuel becomes gelatinous and therefore no longer flows.

From BBC

The American Petroleum Institute classifies base oils into 5 groups according to characteristics such as sulfur content, saturated paraffin content, viscosity and pour point.

From Forbes

One shipping source familiar with the matter said it would take about 10 days to get ready as one of the crude grades, Bu Attifel, needs to be heated to reach the required pour point.

From Reuters

One shipping source familiar with the matter said it would take some 10 days to get ready as one of the crude grades, Bu Attifel, needs to be heated to reach the required pour point.

From Reuters

The original product was an I.G. synthetic lubricant, but it was a Standard engineer who had the wit to see in it the "pour point depressant" for which all U.S. oil companies had been searching for years, Paraflow was a gold mine: it yielded Standard more than $1,000,000 a year, or a gross profit on sales of some 50%.

From Time Magazine Archive