intranscalency|ɪntrɑːnˈskeɪlənsɪ, -æ-| [f. next: see -ency.] Imperviousness to heat. 1864E. Frankland in Philos.Mag.Ser. iv. XXVII. 334 This extraordinary intranscalency of aqueous vapour to rays issuing from water has been conclusively proved by Tyndall.