constant

constant, stable

Qui reste identique au fil du temps.

En anglais simple : Staying the same over time.

• Keep the temperature constant.
• The car moved at a constant speed.
• Prices remained constant throughout the year.

Synonymes : steady, unchanging, fixed

Contraires : variable, changing

Expressions courantes : constant speed, constant temperature, remain constant, constant value

constante

Nombre ou valeur qui ne change pas dans un calcul ou un programme informatique.

En anglais simple : A number or value that stays the same in a calculation or computer program.

• Five is a constant in this equation.
• The formula contains two constants and one variable.
• The program uses a constant for the maximum file size.

Synonymes : fixed value

Contraires : variable

Expressions courantes : mathematical constant, constant value, a positive constant

constante

Nombre mesuré décrivant une propriété scientifique et restant identique dans certaines conditions.

En anglais simple : A measured number describing a scientific property that stays the same under particular conditions.

• The experiment gave us a new constant.
• This constant applies only at a fixed temperature.
• Scientists measured the physical constant with greater accuracy.

Expressions courantes : physical constant, gas constant, universal constant