What does nonelasticity mean?
Nonelasticity is the property of a material or system of failing to deform elastically, meaning that it does not fully return to its original shape after the applied force is removed. It is especially important in mechanics, engineering, and materials science, where repeated loading, impact, or deformation beyond an elastic limit can cause permanent changes in shape. The term is related to elasticity, but it describes reduced or absent elastic behaviour rather than the capacity to recover. It is also sometimes distinguished from plasticity, which specifically concerns permanent deformation. Although the word is technical, it can make a useful contrast in discussions of material performance, structural limits, and the difference between temporary and lasting deformation.
nounThe property of a material or system of resisting, or failing to undergo, elastic deformation. In mechanics, it describes behaviour that is not fully restored to its original shape after a force is removed.
- The condition or property of being nonelastic, especially a material's inability to return fully to its original form after deformation.
- The degree to which a material or system exhibits inelastic rather than elastic behaviour.
"The test revealed a degree of nonelasticity in the polymer when the load exceeded its elastic limit."
"The metal's nonelasticity increased under repeated loading."
"Engineers accounted for the nonelasticity of the material when designing the joint."
The plural is grammatically possible but rarely needed, since the term is normally used in the singular or with quantifiers such as degrees or levels of nonelasticity.
"The researchers compared the nonelasticities of several composite materials."
A material can be strong without being elastic: once its elastic limit is passed, deformation may become permanent.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does nonelasticity come from?
The word is an English compound formed from the prefix non- and the noun elasticity. Elasticity ultimately derives from Latin elasticus, from the Greek elastos, associated with being driven or able to return to shape. The prefix non- expresses negation, so nonelasticity literally means the absence or lack of elasticity. The compound became established in technical English for describing the opposite of elastic behaviour.
Related word forms
How nonelasticity is actually used
This is primarily a technical term, especially used in mechanics, materials science, engineering, and physics. It is less common in general prose than the related terms elasticity and inelasticity, and it is sometimes used alongside or contrasted with plasticity depending on the technical context.
Easily confused with nonelasticity
Elasticity is the ability of a material to return to its original shape after a deforming force is removed, whereas nonelasticity refers to the absence or reduction of that ability.