Constant (Noun)
Meaning 1
A quantity that does not vary.
Classification
Nouns denoting cognitive processes and contents.
Examples
- The speed of light in a vacuum is a constant of the universe that never changes.
- In the equation, pi is a constant representing the ratio of a circle's circumference to its diameter.
- The constant gravitational force of the Earth pulls objects towards its center.
- The value of Planck's constant is a fundamental aspect of quantum mechanics.
- The presence of a constant magnetic field is essential for the experiment to work.
Synonyms
Hyponyms
Meaning 2
A number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant".
Classification
Nouns denoting quantities and units of measure.
Examples
- The acceleration due to gravity is a constant that is widely known as 9.8 meters per second squared on Earth's surface.
- In Einstein's famous equation E=mc², c is a constant representing the speed of light in a vacuum.
- The mathematical constant pi is used extensively in geometry to calculate the circumference and area of circles.
- Planck's constant is a fundamental constant in physics that relates the energy carried by a photon to its frequency.
- The Avogadro's constant is a fundamental constant in chemistry that represents the number of units in one mole.