| 单词 |
mho |
| 释义 |
mho Electr.|məʊ| [Proposed by Sir W. Thomson (now Lord Kelvin): reversed spelling of ohm.] The unit of conductivity, being the conductivity of a body whose resistance is one ohm.
1883Sir W. Thomson Pop. Lect. (1889) I. 130 Such an instrument at once gives conductivity, and you want a name (suppose you adopt mho) for the unit of conductivity, and call the instrument a mhometer..The number of mhos, or of millimhos will..measure the number of lamps in circuit. 1892Gloss. Electr. Terms 12 in Lightning 3 Mar. Supp., Mho. The mho is the conductivity of a column of mercury of a constant cross section of one square millimetre, and of a length of 106·3 centimetres at the temperature of melting ice. (Note.—The conductivity of a conductor is the reciprocal of its resistance.) So mhometer |ˈmɒmɪtə(r)|, an instrument for measuring electrical conductivities.
1883[see above]. |

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