unmeltableadj.
/(ˌ)ʌnˈmɛltəbl/, U.S. /ˌənˈmɛltəb(ə)l/ Not meltable (literal and figurative).
ΚΠ
1824 M. Parker Arcana Arts & Sci. 271 Micah or isinglass..is a bright, shining, unmeltable substance.
1864 C. T. Brooks tr. J. P. F. Richter Titan (new ed.) I. ii. 96 Hitherto the unmeltable slags and the molten portion of his heart had been boiling up together within him.
1906 G. Bonner Rich Men's Children iii. 34 She was as unmeltable as a granite rock. The separation from her son..ate like an acid into the mother's heart.
1972 Black Enterprise May 47/1 On the drive into the city from the airport, you will sense the vitality of mixing and unmeltable cultures, the old world and the new.
2005 New Yorker 11 Apr. 63/1 Kremlin-shaped boxes containing Soviet chocolates (chalky, unmeltable).
Derivatives
unˈmeltableness n. rare
ΚΠ
1843 Civil Engineer & Architect's Jrnl. 6 40/1 A property almost peculiar to wrought iron, namely its all but unmeltableness.
1978 R. Pratte in R. A. Strike & K. Egan Ethics & Educ. Policy viii. 154 The Americanization process..could not ultimately succeed due to some sort of ethnic ‘unmeltableness’.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online March 2022).
<
adj.1824