inelastic
/,ini'læstik/
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Definition
- Adjective:
- Not elastic; lacking flexibility or stretchiness: Describes a material or substance that does not easily return to its original shape after being stretched, compressed, or deformed.
- Rigid, unyielding, or difficult to change: Describes something that is not adaptable or responsive to change.
- (Economics) Unresponsive to changes in price or income: Describes the quantity demanded or supplied of a good that changes very little when its price or consumer income changes.
Usage and Examples
Describing Physical Properties:
- Clay is an inelastic material; it deforms permanently under pressure.
- The old rubber band had become brittle and inelastic.
Describing Abstract Concepts:
- The company's inelastic policies could not adapt to the new market trends.
- He had an inelastic mindset, refusing to consider alternative viewpoints.
Describing Economic Behavior:
- The demand for basic necessities like medicine is often inelastic; people need it regardless of price.
- An inelastic supply curve indicates that producers cannot quickly increase output when prices rise.
Advanced Usage
"Perfectly inelastic" (Economics): A theoretical extreme where quantity demanded or supplied does not change at all in response to price changes.
- The demand for a life-saving drug with no substitutes is considered perfectly inelastic.
"Inelastic collision" (Physics): A collision in which kinetic energy is not conserved (though momentum is). The objects may stick together or deform.
- A car crash is typically an inelastic collision.
Variants and Related Words
Inelasticity (n): The state or quality of being inelastic.
- The inelasticity of the demand for insulin makes it a critical public health issue.
Elastic (adj): The direct antonym, meaning flexible, stretchy, or responsive to change.
Synonyms
- Rigid: Stiff, not bending or changing easily.
- Unyielding: Not giving way to pressure; inflexible.
- Unresponsive: Not reacting or responding to stimuli or changes.
- Inflexible: Not capable of being bent or changed.
Antonyms
- Elastic: Capable of returning to original shape; flexible.
- Flexible: Capable of bending easily; adaptable.
- Responsive: Reacting quickly and positively to changes.
- Pliable: Easily bent or shaped; adaptable.
Related Phrases and Concepts
- Price elasticity of demand: An economic measure of how much the quantity demanded of a good responds to a change in its price. "Inelastic demand" is a key concept within this framework.
- Income elasticity of demand: A measure of how the quantity demanded responds to a change in consumer income. A necessity often has low (inelastic) income elasticity.
Adjective
- not elastic
- economists speak of an inelastic price structure