modulus of elasticity: meaning, definition, pronunciation and examples
Low (Technical)Highly technical/scientific
Quick answer
What does “modulus of elasticity” mean?
A physical quantity measuring a material's resistance to elastic deformation when a stress is applied.
Audio
Pronunciation
Definition
Meaning and Definition
A physical quantity measuring a material's resistance to elastic deformation when a stress is applied.
In engineering and physics, it represents the ratio of stress to strain in a material's linear elastic region, indicating its stiffness. Different types exist, such as Young's modulus (tensile/compressive), shear modulus, and bulk modulus.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The spelling and usage are identical in technical contexts. 'Modulus' is pronounced with /ə/ in the first syllable in both.
Connotations
Identical technical connotations of material science and engineering.
Frequency
Equally low-frequency and specialized in both varieties.
Grammar
How to Use “modulus of elasticity” in a Sentence
[Material] has a [high/low] modulus of elasticity of [value].The modulus of elasticity [increases/decreases] with [temperature/process].Calculate the modulus of elasticity from [stress-strain data].Vocabulary
Collocations
Examples
Examples of “modulus of elasticity” in a Sentence
verb
British English
- [No verb form]
American English
- [No verb form]
adverb
British English
- [No adverb form]
American English
- [No adverb form]
adjective
British English
- The modulus-of-elasticity test was conclusive.
- They reviewed the modulus-of-elasticity values.
American English
- The modulus-of-elasticity data was plotted.
- A high modulus-of-elasticity material is needed.
Usage
Meaning in Context
Business
Rare. May appear in procurement or specification documents for materials.
Academic
Standard term in materials science, mechanical engineering, civil engineering, and physics textbooks and research papers.
Everyday
Virtually never used in everyday conversation.
Technical
Core, precise term used in design, testing, simulation, and material selection.
Vocabulary
Synonyms of “modulus of elasticity”
Vocabulary
Antonyms of “modulus of elasticity”
Watch out
Common Mistakes When Using “modulus of elasticity”
- Using 'modulus of elasticity' as a countable noun without an article (e.g., 'Material has modulus of elasticity...' should be '...a modulus of elasticity...').
- Confusing it with 'elastic limit' or 'yield strength', which are different concepts.
- Pronouncing 'modulus' with a hard /l/ or stressing the second syllable.
FAQ
Frequently Asked Questions
Often, yes. 'Young's modulus' is the most common specific type of modulus of elasticity, referring to tensile or compressive stress. However, 'modulus of elasticity' is a broader category that also includes shear modulus and bulk modulus.
It is measured in units of pressure. The SI unit is the pascal (Pa), but gigapascals (GPa) or pounds per square inch (psi) are commonly used in engineering.
Yes. For most materials, it is not a perfectly constant value. It can vary with temperature, the rate of loading, material processing (e.g., heat treatment), and, for some materials, the direction of measurement (anisotropy).
It is crucial for predicting how much a structural component will deform under load. This ensures designs meet stiffness requirements, avoid excessive deflection that could cause failure or functional issues, and helps in selecting appropriate materials for specific applications.
A physical quantity measuring a material's resistance to elastic deformation when a stress is applied.
Modulus of elasticity is usually highly technical/scientific in register.
Modulus of elasticity: in British English it is pronounced /ˈmɒd.jʊ.ləs əv ˌiː.læˈstɪs.ɪ.ti/, and in American English it is pronounced /ˈmɑː.dʒə.ləs əv ˌiː.læˈstɪs.ə.t̬i/ || /ˈmɑː.djə.ləs əv ˌel.æˈstɪs.ə.t̬i/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Not applicable for this technical term]”
Learning
Memory Aids
Mnemonic
Imagine a MODULE (modulus) of a bridge that shows how ELASTIC (elasticity) it is. A high number means the module is stiff like a steel beam, not elastic like a rubber band.
Conceptual Metaphor
MATERIAL STIFFNESS IS A NUMERICAL RATING (like a hardness score). ELASTICITY IS A MEASURABLE RESOURCE (a quantifiable property that can be used up).
Practice
Quiz
What does a high 'modulus of elasticity' indicate about a material?