ohm

ohm
The practical unit of electrical resistance; the resistance of any conductor allowing 1 A of current to pass under the electromotive force of 1 V. [G.S. O.]

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ohm 'ōm n the practical mks unit of electrical resistance equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere
ohm·ic 'ō-mik adj
Ohm Georg Simon (1789-1854)
German physicist. Ohm is best remembered for his discovery of a law of electricity that is now called Ohm's law in his honor. He summarized his discovery in a pamphlet published in 1827. His work exerted great influence on the theory and applications of current electricity. The physical unit measuring electrical resistance was officially designated the ohm by the Paris Electrical Congress of 1881.

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n.
the SI units of electrical resistance, equal to the resistance between two points on a conductor when a constant potential difference of 1 volt applied between these points produces a current of 1 ampere. Symbol: W.

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(Ω) (ōm) [George S. Ohm] the SI unit of electrical resistance, being equivalent to the resistance of a circuit in which a current of one ampere is maintained by an electromotive force of one volt.

Medical dictionary. 2011.

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  • ohm — ohm …   Dictionnaire des rimes

  • ohm — [ om ] n. m. • 1867; nom d un physicien all. ♦ Métrol. Unité de mesure de résistance électrique (symb.Ω). L ohm, ses multiples et ses sous multiples (kilohm, mégohm, microhm...) sont conservés à l aide de résistances étalons faites de fil de… …   Encyclopédie Universelle

  • ohm — OHM, ohmi, s.m. Unitate de măsură a rezistenţei electrice, în sistemul de unităţi metru kilogram secundă amper, egală cu rezistenţa pe care o opune un conductor electric străbătut de un curent de un amper la tensiunea de un volt. [pr.: om] – Din… …   Dicționar Român

  • Ohm — /ohm/, n. Georg Simon, /gay awrddk zee mawn/ 1787 1854, German physicist. * * * ▪ unit of energy measurement       abbreviation Ω, unit of electrical resistance in the metre kilogram second system, named in honour of the 19th century German… …   Universalium

  • ohm — òhm s.m.inv. TS fis., elettr. nel Sistema Internazionale, unità di misura della resistenza elettrica (simb. Ω) {{line}} {{/line}} DATA: 1892. ETIMO: da Ohm, nome del fisico tedesco Georg Simon Ohm (1787 1854). POLIREMATICHE: ohm acustico: loc.s.m …   Dizionario italiano

  • Ohm —    , OHM S LAW    Georg Simon Ohm (1787 1854), was born in Erlangen, Bavaria, Germany, to a family of locksmiths.    Ohm received a doctorate in physics when he was twenty two and then accepted a position teaching mathematics at the Jesuit… …   Dictionary of eponyms

  • Ohm — ([=o]m), n. [So called from the German electrician, G. S. Ohm.] (Elec.) 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 amp[ e]re.… …   The Collaborative International Dictionary of English

  • Ohm — Ohm, vorzugsweise ein Weinmaß, das aber in den meisten Ländern verschieden ist. In Hamburg z. B. rechnet man auf 1 Ohm 5 Eimer oder 80 Kannen, in Hannover 60 Kannen, eben so in Schweden, in Würtemberg 160 Maß, in Baden 100 Maß etc. Fast überall… …   Damen Conversations Lexikon

  • ohm — [əum US oum] n [Date: 1800 1900; Origin: Georg Simon Ohm (1787 1854), German scientist] a unit for measuring electrical ↑resistance …   Dictionary of contemporary English

  • ohm — (n.) unit of electrical resistance, 1867, in recognition of German physicist Georg S. Ohm (1789 1854), who determined the law of the flow of electricity. Originally proposed as ohma (1861) as a unit of voltage. Related: ohmage; ohmic; ohmeter …   Etymology dictionary

  • ohm — (izg. ȏm) m DEFINICIJA izvedena SI jedinica električnog otpora (simbol Ω); otpor između dvije točke vodiča iznosi 1 Ω ako pod utjecajem potencijalne razlike (između tih točaka) od jednog volta vodičem teče struja od jednog ampera (Ω = V/A)… …   Hrvatski jezični portal

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