variable quantity
- noun
- Specialized
:
cantidad variable
- In mathematics, a variable quantity can represent different values in an equation, allowing for greater flexibility in problem-solving.
Examples
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An example from the history of science is the discrepancies between the observed "black body" spectrum of hot objects and what was calculated using the assumption that radiation was a continuously variable quantity.
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So you've got both the, there's like, there's the price of gas per unit, but then your transaction has a variable quantity of gas.
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When studying physics, it's crucial to understand that speed is often treated as a variable quantity that changes with time.
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In statistics, researchers often use a variable quantity to analyze how different factors can affect the outcome of experiments.
Synonyms
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4.2
A number or symbol that can have different values
Antonyms
Surface Forms
Morphology
The meaning 'a quantity that can take on different values' is directly and compositionally derivable from 'variable' (capable of changing or assuming values) + 'quantity' (an amount or value). This is a straightforward adjective–noun semantic combination, common in technical contexts and mirrored across many languages, so a B1 learner who knows both constituents will readily infer the MWE meaning.
Etymology
Variable quantity combines two simple ideas: a variable is something that can change and a quantity is an amount, so imagine a jar whose water level goes up and down. That's why 'variable quantity' means 'an amount that can change' in math and science.