megohmmetern.

Brit.

/mɛɡˈəʊmˌmiːtə/, U.S.

/mɛɡˈoʊ(m)ˌmidər/

Forms: 1900s– megohmeter, 1900s– megohmmeter.

Origin: Formed within English, by blending. Etymons: megohm n., ohmmeter n.

Etymology: Blend of megohm n. and ohmmeter n.

An ohmmeter calibrated in megohms, used chiefly for measuring the electrical resistance of insulation materials.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun] > unit of resistance > instrument for measuring

ohmmeter1884

megohmmeter1909

1909 Cent. Dict. Suppl. Megohmmeter, an instrument similar in type to an ohmmeter but suitable for the measurement of very high electric resistances.

1925 Science 6 Feb. 160/1 On display..meg-ohmmeter, precision ammeters and volt-meters, [etc.].

1969 Strain 5 221 (title) A megohmmeter for the measurement of the insulation resistance of ceramic installations for strain gauges.

2002 Electr. Constr. & Maintenance (Electronic ed.) 1 Dec. Time-saving tips include changing brushes, checking winding insulation with a megohmmeter, and machining commutators in place.

This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	megohmmeter
释义	megohmmetern. Brit. /mɛɡˈəʊmˌmiːtə/, U.S. /mɛɡˈoʊ(m)ˌmidər/ Forms: 1900s– megohmeter, 1900s– megohmmeter. Origin: Formed within English, by blending. Etymons: megohm n., ohmmeter n. Etymology: Blend of megohm n. and ohmmeter n. An ohmmeter calibrated in megohms, used chiefly for measuring the electrical resistance of insulation materials. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun] > unit of resistance > instrument for measuring ohmmeter1884 megohmmeter1909 1909 Cent. Dict. Suppl. Megohmmeter, an instrument similar in type to an ohmmeter but suitable for the measurement of very high electric resistances. 1925 Science 6 Feb. 160/1 On display..meg-ohmmeter, precision ammeters and volt-meters, [etc.]. 1969 Strain 5 221 (title) A megohmmeter for the measurement of the insulation resistance of ceramic installations for strain gauges. 2002 Electr. Constr. & Maintenance (Electronic ed.) 1 Dec. Time-saving tips include changing brushes, checking winding insulation with a megohmmeter, and machining commutators in place. This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1909
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