alphabetiform,a.|ælfəˈbɛtɪfɔːm| [See -form.] Resembling the letters of an alphabet. 1901G. Sergi Mediterranean Race xiv. 296 The alphabetiform signs in megalithic inscriptions.1908A. J. Evans in R. R. Marett Anthropol. & Classics 12 Linear signs which..present a truly alphabetiform character.