| 释义 |
peritectoid, a.|pɛrɪˈtɛktɔɪd|
[f. prec. + -oid, after eutectoid a. and n.]
Of, pertaining to, or designating a reaction analogous to a peritectic reaction but involving three solid phases.
1936H. L. Alling Interpretative Petrol. Igneous Rocks viii. 97 The diagram shows that hedenbergite, CaFeSi2O6 on heating dissociates before reaching the solidus, forming a solid solution. I suggest this may be called a ‘peritectoid’ reaction. 1967A. H. Cottrell Introd. Metall. xv. 235 Eutectoid and peritectoid changes occur in the solid state which are the exact analogues of the eutectic and peritectic forms of the liquid-solid change. 1973J. G. Tweeddale Materials Technol. I. vi. 163 There is also a form of reaction in the solid state, called the peritectoid reaction which is similar to the peritectic reaction. |