spinodaladj.n.

/spʌɪˈnəʊdəl/

Etymology: < sphinod- (in spinode n.) + -al suffix¹.

Physical Chemistry.

A. adj.

Being or pertaining to a spinodal; involving a metastable condition described by such a curve.

ΘΚΠ

the world > matter > chemistry > physical chemistry > [adjective] > systems > of or relating to a spinodal

spinodal1956

1956 Nature 3 Mar. 419/2 A single kinetic law did not apply at all temperatures, which suggests that the spinodal curve may have some influence.

1961 Acta Metallurgica IX. 801/2 Au-Ni thin foils decompose by what is almost certainly a spinodal mechanism.

1973 Physics Bull. Apr. 230 Spinodal decomposition of equimolar NaCl-KCl mixed crystals.

B. n.

A curve which is the locus of stationary points in a system of curves; spec. such a curve in a pressure-volume diagram or the like which delimits a region of thermodynamic metastability from one of instability.

ΘΚΠ

the world > matter > chemistry > physical chemistry > [noun] > diagrams > a curve in

spinodal1961

1961 Acta Metallurgica IX. 536/2 The spinodal is the locus of points within a miscibility gap where δ²F/δx² = 0. F is the free energy of mixing and x the composition.

1969 Trans. Metallurg. Soc. AIME 245 1707 Just above and just below the spinodal, we expect the reaction to proceed along a path which is not necessarily the energetically most favorable one.

1974 Nature 29 Nov. 381/2 The locus of all the tangent points c defines a metastability limit (spinodal).

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	spinodal
释义	spinodaladj.n. /spʌɪˈnəʊdəl/ Etymology: < sphinod- (in spinode n.) + -al suffix¹. Physical Chemistry. A. adj. Being or pertaining to a spinodal; involving a metastable condition described by such a curve. ΘΚΠ the world > matter > chemistry > physical chemistry > [adjective] > systems > of or relating to a spinodal spinodal1956 1956 Nature 3 Mar. 419/2 A single kinetic law did not apply at all temperatures, which suggests that the spinodal curve may have some influence. 1961 Acta Metallurgica IX. 801/2 Au-Ni thin foils decompose by what is almost certainly a spinodal mechanism. 1973 Physics Bull. Apr. 230 Spinodal decomposition of equimolar NaCl-KCl mixed crystals. B. n. A curve which is the locus of stationary points in a system of curves; spec. such a curve in a pressure-volume diagram or the like which delimits a region of thermodynamic metastability from one of instability. ΘΚΠ the world > matter > chemistry > physical chemistry > [noun] > diagrams > a curve in spinodal1961 1961 Acta Metallurgica IX. 536/2 The spinodal is the locus of points within a miscibility gap where δ²F/δx² = 0. F is the free energy of mixing and x the composition. 1969 Trans. Metallurg. Soc. AIME 245 1707 Just above and just below the spinodal, we expect the reaction to proceed along a path which is not necessarily the energetically most favorable one. 1974 Nature 29 Nov. 381/2 The locus of all the tangent points c defines a metastability limit (spinodal). This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < adj.n.1956
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