mho mezzotinto • mhometer · · · Info · Definitions · Synonyms · Characters · · mho · · Text Latin · · Script 3 · · Length Definitions · · · (noun) a unit of conductance equal to the reciprocal of an ohm. Synonyms: siemens, reciprocal ohm, S. · · Noun Definition 1 Synonyms · · · siemens · · Synonym 1 reciprocal ohm · · Synonym 2 s · · Synonym 3 Characters · · h latin small letter h U+0068 m latin small letter m U+006D o latin small letter o U+006F