[L. solidus SOLID a.] A curve showing the temperatures at which a series of alloys are completely solid.

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1903.  Proc. Royal Soc., 16 June, 284. As indicated by the liquidus and solidus curves approximating closely to one another.

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1904.  W. C. Dampier-Whetham, Rec. Develop. Phys. Sci., iii. 94. Below the curve adb, or ‘solidus,’ the alloy is entirely solid. Ibid., 97. Equilibrium curves lying below the solidus.

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