Meanings of physical constant in English

No more physical objects - a kilo will be calculated by reference to a physical constant known as Planck's constant or 'h'.

The ideal would be to match the kilogram to known physical constants.

An overdrive field changed the physical constants of space.

But its physical constants were the most surprising.

Physical constants are supposedly fixed over time, but some theories suggest they may vary slightly, he said.

Then I altered physical constants like gravity and friction so I could make it roll, walk, and bounce around.

Many primary forces influence events in the universe: physical constants, gravitational forces, the laws of thermodynamics, elemental interactions, quantum mechanics.