constant in a sentence

a., n.

📚 Grade Level: Grade 6, Grade 7, Grade 8

Definition

Constant: a value or presence that remains unchanged or stable over time.

The scientist measured the constant rate of decay in the radioactive sample.
In a world of change, her unwavering support felt like a constant presence.
The speed of light in a vacuum is considered a universal constant in physics.
His constant enthusiasm for learning inspired his peers to join in the adventure.
To achieve success, one must maintain a constant effort over time.