phd phatic speech • ph.d. · · · Info · Definitions · Characters · · phd · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) a doctorate usually based on at least 3 years graduate study and a dissertation; the highest degree awarded graduate study. Synonyms: Ph.D., PhD. · · Noun Definition 1 Characters · · d latin small letter d U+0064 h latin small letter h U+0068 p latin small letter p U+0070