variable
word
Definition
A 'variable' is something that can change or vary, such as a value or factor. In math, science, and programming, it often means a symbol or name that represents a changeable amount.
Usage & Nuances
Can be a noun or adjective. As a noun, used in math, science, programming, and research. As an adjective, it means 'not consistent' or 'able to change'. Often confused with 'constant' (which means unchanging). Common phrases: 'independent variable', 'dependent variable', 'variable weather'.
Example Sentences
The temperature is a variable that changes every day.
basic
In math, 'x' is often a variable.
basic
A scientist tests one variable at a time.
basic
Weather here is really variable; it can be sunny in the morning and rainy by afternoon.
natural
If you change one variable, the whole experiment could work differently.
natural
In programming, you need to give each variable a unique name so the computer doesn't get confused.
natural