Variable

Definition

A variable refers to an element, feature, or factor that is liable to vary or change. In mathematics and science, it specifically refers to a quantity that can have multiple values.

Parts of Speech

• Noun
• Adjective

Pronunciation

American English

• IPA Pronunciation: /ˈvɛəriəbəl/
• Respelling: VAIR-ee-uh-buhl (with "VAIR" rhyming with "hair," "ee" as in "see," "uh" as a schwa sound like the 'a' in "sofa," and "buhl" similar to "bull")

British English

• IPA Pronunciation: /ˈveərɪəbəl/
• Respelling: VAIR-ee-uh-buhl (similar to American English, with "VAIR" like in "air," "ee" as in "see," and "uh-buhl" as in "umbrella")

In both dialects, the pronunciation of "variable" is quite similar, with subtle differences in the vowel sounds. The main difference lies in the pronunciation of the first syllable, with British English having a slightly longer and more open vowel sound.

Etymology

The term "variable" originates from the Latin word "variabilis," which means "changeable." This derives from the Latin verb "variar," meaning "to change," which in turn comes from "varius," meaning "varied" or "different."

Derivatives

• Variability
• Variably
• Variance
• Variation
• Varied

Synonyms

• Changeable
• Fluctuating
• Unstable

Antonyms

• Constant
• Stable
• Fixed

Usage

• "The weather is highly variable in this region."
• "In the equation, 'x' represents the variable."

Related Terms

• Parameter
• Coefficient
• Variable rate
• Independent variable
• Dependent variable

Detailed Definition

Noun

• A Quantity that Changes or Can Be Changed: An element, feature, or factor that can take on different values in mathematical computations, experiments, or models.
• Example: In the equation y = mx + c, both x and y are variables.

• A Placeholder in Programming: In computer science, a storage location paired with an associated symbolic name which contains some known or unknown quantity or information, a value.
• Example: In programming, you can assign a value to a variable and then use it in your code.

Adjective

• Liable to Change: Characterized by variations or differences; not consistent or having a fixed pattern.
• Example: The project has been delayed due to variable weather conditions.