amount of substance

British  

noun

1. a measure of the number of entities (atoms, molecules, ions, electrons, etc) present in a substance, expressed in moles

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Example Sentences

The tool has the ability to dramatically increase the amount of substance you put inside of it.

From Salon

“The amount of substance abuse is higher, neglect is higher, abuse is higher,” Cutchin explained.

From Washington Times

“Even with this stark dichotomy between Kemp and Abrams in their styles and in their politics, people forget that Stacey has a giant amount of substance and a long record of working across the aisle, of getting things done,” said Jason Carter, a lawyer, former gubernatorial candidate and grandson of President Carter, a former Georgia governor.

From Los Angeles Times

The mole, meanwhile, is the amount of substance in a system with as many elementary entities as there are atoms in 0.012 kilograms of carbon-12, while the kelvin relates to the temperature and pressure at which water, ice and water vapour co-exist in equilibrium, known as the triple point of water.

From Nature

"They look slick, but do they have the same amount of substance?" asks Kadri Liik, an Estonian political expert at the European Council on Foreign Relations think-tank.

From BBC