stable film, metastable film
A @F02366@ often thins gradually to a thickness at which it either ruptures or converts abruptly to an @E02181@. Rupture under these conditions characterizes @U06569@ films, whereas transition to an @E02181@ characterizes (meta)@S05900@ films.
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 614 [Terms] [Paper]