a. [UN-1 7 and 5 b.] = UNDECOMPOSABLE a. Also Undecomposibility.
1866. Odling, Anim. Chem., 126. Its undecomposibility save by oxidation. Ibid., 129. Without this additional oxygen it has hitherto proved undecomposible.
1879. Cassell’s Techn. Educ., I. 211. The other colours of the spectrum are due to simple or undecomposible rays.
