slide rule slide rod • slide shaft · · · Info · Definitions · Synonyms · Characters · · slide rule · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) analog computer consisting of a handheld instrument used for rapid calculations; have been replaced by pocket calculators. Synonyms: slide rule, slipstick. · · Noun Definition 1 Synonyms · · · slipstick · · Synonym 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075