1. not changing or able to be changed; remaining constant

1. a quantity or property that remains unchanged under specified mathematical or physical transformations
Usage: mathematics; physics

Examples

• The speed of light is invariant in all reference frames.
• These mathematical properties remain invariant under rotation.
• The company’s core values have stayed invariant despite many changes.
• In physics, certain quantities are invariant under coordinate transformations.
• The algorithm identifies invariant features in the data.
• Mass-energy is an invariant in Einstein’s theory of relativity.