coefficient of elasticity: meaning, definition, pronunciation and examples
C2Highly technical/scientific
Quick answer
What does “coefficient of elasticity” mean?
A numerical measure of an object or material's ability to return to its original shape after being deformed by a force.
Audio
Pronunciation
Definition
Meaning and Definition
A numerical measure of an object or material's ability to return to its original shape after being deformed by a force.
In physics and engineering, a constant that quantifies the relationship between stress (force per unit area) and strain (deformation) in a material within its elastic limit. It represents the stiffness of a material.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling follows standard national conventions (e.g., 'behaviour' in UK vs. 'behavior' in US in surrounding text).
Connotations
Identical technical connotations in both varieties.
Frequency
Equally rare and specialised in both dialects, confined to academic and technical fields.
Grammar
How to Use “coefficient of elasticity” in a Sentence
The coefficient of elasticity [of/for a material] is...A [high/low] coefficient of elasticity indicates...To calculate/find/determine the coefficient of elasticity...Vocabulary
Collocations
Usage
Meaning in Context
Business
Virtually never used. Might appear in highly specialised technical specifications for manufacturing or materials procurement.
Academic
Core term in physics, materials science, and engineering textbooks, research papers, and lab reports.
Everyday
Extremely rare. Would only be used in explaining a technical concept to a layperson.
Technical
Primary context of use. Essential in engineering design, materials testing, and structural analysis.
Vocabulary
Synonyms of “coefficient of elasticity”
Strong
Weak
Vocabulary
Antonyms of “coefficient of elasticity”
Watch out
Common Mistakes When Using “coefficient of elasticity”
- Pronouncing 'coefficient' with stress on 'co-' (/ˈkoʊ.../) instead of the third syllable (/...ˈfɪʃ.../).
- Using it as a countable noun without 'of' (e.g., 'an elasticity coefficient' is less standard than 'a coefficient of elasticity').
- Confusing it with 'elasticity' itself, which is the property, not the measure.
FAQ
Frequently Asked Questions
Young's modulus is a specific type of coefficient of elasticity, namely the modulus for tensile or compressive stress. 'Coefficient of elasticity' is a broader category that includes shear modulus and bulk modulus.
In theory, a zero coefficient would indicate a perfectly plastic material with no elastic recovery. In practice, all real materials have some non-zero, though possibly very small, elastic response.
It is measured in units of pressure, most commonly Pascals (Pa) or Gigapascals (GPa), as it is stress (force/area) divided by strain (dimensionless).
Not inherently. A higher value means a stiffer, less deformable material. It is 'better' depending on the application: high for structural rigidity (e.g., bridge girders), lower for applications requiring flexibility (e.g., springs).
A numerical measure of an object or material's ability to return to its original shape after being deformed by a force.
Coefficient of elasticity is usually highly technical/scientific in register.
Coefficient of elasticity: in British English it is pronounced /ˌkəʊɪˈfɪʃ(ə)nt əv ˌiːlæˈstɪsɪti/, and in American English it is pronounced /ˌkoʊəˈfɪʃənt əv ˌilæˈstɪsədi/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a COEFFICIENT as a CO-EFFICIENT (a number that works together with a formula) to tell you how ELASTIC (springy) something is.
Conceptual Metaphor
STIFFNESS IS A NUMBER. (Abstracting a material's physical resistance to deformation into a quantifiable constant.)
Practice
Quiz
In which field is the term 'coefficient of elasticity' MOST commonly used?