constant

Definition

• n. a quantity that does not vary
• n. a number representing a quantity assumed to have a fixed value in a specified mathematical context
• adj. steadfast in purpose or devotion or affection

Word forms

Plural

constants

Example sentences

1. n.

   In mathematics, the number π is a constant that represents the ratio of the circumference of a circle to its diameter.

2. a.

   She has a constant smile on her face, which makes everyone feel welcome.

3. [计]

   In programming, a constant is a value that cannot be changed during the execution of a program.