1807. Southey, Espriella’s Lett., III. 363. Nothing will vegetate upon it, and it is undecomposable by the weather.
1855. Mill, Exam. Hamilton, 13. Many of our intellectual ideas are regarded by him as ultimate and undecomposable facts.
1870. Jevons, Elem. Logic, ii. 15. A simple undecomposable substance called by chemists an element.
