Definition of Ohm

1. Noun. A unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere.

Generic synonyms: Resistance Unit
Terms within: Abohm
Group relationships: Megohm
Derivative terms: Ohmic



2. Noun. German physicist who formulated Ohm's law (1787-1854).
Exact synonyms: Georg Simon Ohm
Generic synonyms: Physicist

Definition of Ohm

1. n. The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampére. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 109 units of resistance of the C. G. S. system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm.

Definition of Ohm

1. Noun. In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Symbol: ? ¹

¹ Source: wiktionary.com

Definition of Ohm

1. a unit of electrical resistance [n -S] : OHMIC [adj]

Medical Definition of Ohm

1. The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampere. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 10^9 units of resistance of the C.G.S. System of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm. Ohm's law, the statement of the fact that the strength or intensity of an electrical current is directly proportional to the electromotive force, and inversely proportional to the resistance of the circuit. Origin: So called from the German electrician, G.S. Ohm. Source: Websters Dictionary (01 Mar 1998)

Ohm Pictures

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Lexicographical Neighbors of Ohm

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