ebonite ebonist • ebonize · · · Info · Definitions · Synonyms · Characters · · ebonite · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a hard nonresilient rubber formed by vulcanizing natural rubber. Synonyms: hard rubber, vulcanite. · · Noun Definition 1 Synonyms · · · hard rubber · · Synonym 1 vulcanite · · Synonym 2 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074