Understanding Stress: Definitions in Physics, Engineering, Medicine & Psychology

The word stress can have several meanings, depending on the context in which it is used.

- In physics, stress is the internal force exerted by a material resisting an applied load that tends to deform the material. It can be expressed as the force per unit area.

- In engineering, stress is the internal force per unit area that resists an applied load.

- In medicine, stress is the body's response to any demand or threat. It can be physical, mental, or emotional.

- In psychology, stress is a feeling of emotional or physical tension.

- In finance, stress can refer to financial tension or pressure, such as when there is a risk of default or bankruptcy.

- In linguistics, stress is the relative emphasis given to syllables in a word or sentence.