elasticity
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elasticity
The physical property of a body or material to return to its original shape after being deformed by an external force.
Gummibänder sind für ihre hohe Elastizität bekannt.
Rubber bands are known for their high elasticity.
The noun 'Elastizität' (elasticity) is formed from the adjective 'elastisch' (elastic) with the ending '-ität' (-ity). This ending is often used with loanwords to create an abstract noun, for example in 'Aktivität' (activity) or 'Qualität' (quality).
Die Flexibilität des Materials ist beeindruckend.
The flexibility of the material is impressive.
The context makes the meaning clear. If people are talking about materials, skin, or muscles, the physical property is meant. In connection with thinking, work, or personality, mental adaptability is meant.
Regelmäßiges Dehnen verbessert die Elastizität der Muskeln.
Regular stretching improves the elasticity of the muscles.
In the physical sense, people often speak of the 'Elastizität eines Materials' (elasticity of a material) or say that something 'an Elastizität verliert' (loses elasticity). In the figurative sense, the phrase 'geistige Elastizität' (mental flexibility) is very common.
Mit dem Alter verliert die Haut an Elastizität.
With age, skin loses elasticity.
flexibility
'Flexibilität' and 'Elastizität' can both mean that something is not rigid. With materials, 'Flexibilität' means that you can bend something without it breaking. 'Elastizität' means more specifically that something returns to its old shape after being stretched or pressed. In a figurative sense, both can have to do with adapting to difficult situations. However, 'Flexibilität' fits better with plans, people, or organizations that can change. 'Elastizität' sounds more like resilience here: you recover after strain or pressure. There is a risk of confusion because both words express movement and adaptation.
Die Elastizität des Gummibands lässt nach, wenn man es zu oft dehnt.
The elasticity of the rubber band decreases if you stretch it too often.
Unsere Flexibilität hat geholfen, als der Termin plötzlich verschoben wurde.
Our flexibility helped when the appointment was suddenly postponed.