anelasticadj.

Brit.

/ˌanᵻˈlastɪk/, U.S.

/ˌænəˈlæstɪk/,

/ˌæniˈlæstɪk/

Origin: Formed within English, by derivation. Etymons: an- prefix², elastic adj.

Etymology: < an- prefix² + elastic adj. Compare earlier inelastic adj., non-elastic adj., unelastic adj.

1. Economics. In the terminology of Italian economist Umberto Ricci: designating a demand curve (or the arc of such a curve) for which the corresponding outlay curve (or arc) is constant; (also) designating a utility curve (or the arc of such a curve) for which the product of the quantity of a good (good n. 10a(c)) supplied, and the degree of utility at that quantity, is constant. Also: designating a point at which the tangent to an outlay curve is constant. rare.

ΚΠ

1932 H. J. Wadleigh tr. U. Ricci in Jrnl. Polit. Econ. 40 150 We describe an arc of a demand curve as inelastic when the corresponding arc of the outlay curve is negatively inclined, and as anelastic when the corresponding arc of the outlay curve is horizontal. An anelastic point is a point at which the tangent to the outlay curve is horizontal.

1932 H. J. Wadleigh tr. U. Ricci in Jrnl. Polit. Econ. 40 158 If the utility curve is anelastic, the individual demand curve is also anelastic.

2. Physics. Of or relating to deformation of a material in which strain is not simply a function of stress and which is such that the material will return to its original shape once the load is removed. Also: designating deformation of this kind, or a material that undergoes such deformation. Cf. elastic adj. 3a, inelastic adj. 1a.Whereas in elastic deformation stress is proportional to strain, in anelastic deformation the rate of increase in stress is also partly dependent on time.

ΚΠ

1942 E. C. Vicars Effect of Temperature on Rigidity Modulus of Aluminum Alloys (M.S. thesis, Univ. Calif.) Introd. 1 Many phenomena in polycrystalline materials do not obey the classical laws of elasticity but instead exhibit anelastic effects.

1982 P. Alexopoulos et al. in Mech. Testing for Deformation Model Devel. 150 At low stresses, the motion of dislocations between barriers will produce anelastic deformation which is time dependent but recoverable.

1992 S. P. Maran Astron. & Astrophysics Encycl. 182/2 The correction from 310 days is now well understood in terms of the Earth's departure from rigidity due to its fluid core, anelastic mantle, and oceans.

2007 D. C. Pieri & A. M. Dziewonski in L.-A. McFadden et al. Encycl. Solar Syst. (ed. 2) x. 205/2 Important inferences with respect to the chemical composition and physical conditions within the deep interior of the Earth are made using information on radial variations of the elastic and anelastic parameters and density.

Derivatives

anelasˈticity n. Physics the property of being anelastic (sense 2).

ΚΠ

1946 C. Zener in Metals Technol. 13 v. 23/1 The property of a solid in virtue of which stress and strain are not uniquely related in the elastic range will be called ‘anelasticity’.

2005 Philos. Trans. (Royal Soc.) A. 363 2826 Anelasticity does not contribute to the observed wave speeds in the lower mantle.

This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021).

单词	anelastic
释义	anelasticadj. Brit. /ˌanᵻˈlastɪk/, U.S. /ˌænəˈlæstɪk/, /ˌæniˈlæstɪk/ Origin: Formed within English, by derivation. Etymons: an- prefix², elastic adj. Etymology: < an- prefix² + elastic adj. Compare earlier inelastic adj., non-elastic adj., unelastic adj. 1. Economics. In the terminology of Italian economist Umberto Ricci: designating a demand curve (or the arc of such a curve) for which the corresponding outlay curve (or arc) is constant; (also) designating a utility curve (or the arc of such a curve) for which the product of the quantity of a good (good n. 10a(c)) supplied, and the degree of utility at that quantity, is constant. Also: designating a point at which the tangent to an outlay curve is constant. rare. ΚΠ 1932 H. J. Wadleigh tr. U. Ricci in Jrnl. Polit. Econ. 40 150 We describe an arc of a demand curve as inelastic when the corresponding arc of the outlay curve is negatively inclined, and as anelastic when the corresponding arc of the outlay curve is horizontal. An anelastic point is a point at which the tangent to the outlay curve is horizontal. 1932 H. J. Wadleigh tr. U. Ricci in Jrnl. Polit. Econ. 40 158 If the utility curve is anelastic, the individual demand curve is also anelastic. 2. Physics. Of or relating to deformation of a material in which strain is not simply a function of stress and which is such that the material will return to its original shape once the load is removed. Also: designating deformation of this kind, or a material that undergoes such deformation. Cf. elastic adj. 3a, inelastic adj. 1a.Whereas in elastic deformation stress is proportional to strain, in anelastic deformation the rate of increase in stress is also partly dependent on time. ΚΠ 1942 E. C. Vicars Effect of Temperature on Rigidity Modulus of Aluminum Alloys (M.S. thesis, Univ. Calif.) Introd. 1 Many phenomena in polycrystalline materials do not obey the classical laws of elasticity but instead exhibit anelastic effects. 1982 P. Alexopoulos et al. in Mech. Testing for Deformation Model Devel. 150 At low stresses, the motion of dislocations between barriers will produce anelastic deformation which is time dependent but recoverable. 1992 S. P. Maran Astron. & Astrophysics Encycl. 182/2 The correction from 310 days is now well understood in terms of the Earth's departure from rigidity due to its fluid core, anelastic mantle, and oceans. 2007 D. C. Pieri & A. M. Dziewonski in L.-A. McFadden et al. Encycl. Solar Syst. (ed. 2) x. 205/2 Important inferences with respect to the chemical composition and physical conditions within the deep interior of the Earth are made using information on radial variations of the elastic and anelastic parameters and density. Derivatives anelasˈticity n. Physics the property of being anelastic (sense 2). ΚΠ 1946 C. Zener in Metals Technol. 13 v. 23/1 The property of a solid in virtue of which stress and strain are not uniquely related in the elastic range will be called ‘anelasticity’. 2005 Philos. Trans. (Royal Soc.) A. 363 2826 Anelasticity does not contribute to the observed wave speeds in the lower mantle. This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021). < adj.1932
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