a. (UN-1 7 b.)
1666. Boyle, Orig. Forms & Qual., II. v. 325. To produce, out of two uninflammable Bodies, a third, that would be easily inflammable. Ibid. (1674), Grounds Corpusc. Philos., 25. Sulphur … abounds with an acid and uninflammable salt.
1756. C. Lucas, Ess. Waters, I. 52. Water is an uninflammable fluid.
1826. Henry, Elem. Chem., I. 234. That one measure of hydrogen and oxygen gases … was rendered uninfammable by eight additional measures of hydrogen.
1897. F. J. Burgoyne, Library Construction, 22. Wood and felt should not be used in the roof, but iron, and some uninflammable non-conductor.
fig. a. 1797. H. Walpole, Geo. II. (1847), III. iv. 97. Uninflammable as the times were, they carried a great mixture of superstition.
