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- Dictionarystiffness/ˈstɪfnɪs/
noun
- 1. inability to move easily and without pain: "stretching exercises ease stiffness in the legs"
- 2. the quality of being severe or strong: "no mean feat given the stiffness of the competition"
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The stiffness, of a body is a measure of the resistance offered by an elastic body to deformation. For an elastic body with a single degree of freedom (DOF) (for example, stretching or compression of a rod), the stiffness is defined as where, is the force on the body.
Stiffness, denoted by the letter (k), is a measure of the resistance of an object to deformation in response to an applied load. In other words, stiffness is the ability of a material or a structure to resist bending, twisting, or stretching.
1. a. : not easily bent : rigid. a stiff collar. b. : lacking in suppleness or flexibility. stiff muscles. c. : impeded in movement used of a mechanism. a truck's stiff suspension. d. : drunk sense 1a. 2. a. : firm, resolute. b. : stubborn, unyielding. c. : proud. d (1) : marked by reserve or decorum. (2) : lacking in ease or grace : stilted. 3.
STIFFNESS definition: 1. the quality of being very formal and not relaxed: 2. the quality of being firm, hard, or unable…. Learn more.
Stiffness definition: the state or condition of being rigid or firm. See examples of STIFFNESS used in a sentence.
the fact of not being friendly or relaxed. his military stiffness and reserve. the fact of being hard and difficult to bend or move. It's difficult to sew because of the stiffness of the fabric. the fact of being more difficult or severe than usual. the stiffness of the competition. Check pronunciation: stiffness.
Stiffness is the resistance of an elastic body to deflection or deformation by an applied force - and can be expressed as. k = F / δ (1) where . k = stiffness (N/m, lb/in) F = applied force (N, lb) δ = extension, deflection (m, in)
