roentgen

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roent·gen

also rönt·gen  (rĕnt′gən, -jən, rŭnt′-)
n. Abbr. R or r
A unit of radiation exposure equal to the quantity of ionizing radiation that will produce one electrostatic unit of electricity in one cubic centimeter of dry air at 0°C and standard atmospheric pressure.

[After Wilhelm Conrad Roentgen.]

roent′gen adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Roentgen

or

Röntgen

n
(Biography) Wilhelm Konrad (ˈvɪlhɛlm ˈkɔnraːt). 1845–1923, German physicist, who in 1895 discovered X-rays: Nobel prize for physics 1901

roentgen

(ˈrɒntɡən; -tjən; ˈrɛnt-) or

röntgen

n
(Units) a unit of dose of electromagnetic radiation equal to the dose that will produce in air a charge of 0.258 × 10–3 coulomb on all ions of one sign, when all the electrons of both signs liberated in a volume of air of mass one kilogram are stopped completely. Symbol: R or r
[C20: named after W. K. Roentgen]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Roent•gen

or Rönt•gen

(ˈrɛnt gən, -dʒən, ˈrʌnt-)

n.
1. Wilhelm Konrad, 1845–1923, German physicist.
2. (l.c.) a unit of radiation dosage equal to the amount of ionizing radiation required to produce one electrostatic unit of charge per cubic centimeter of air. Abbr.: r, R
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

roentgen

A unit of exposure dose of gamma (or X-) radiation. In field dosimetry, one roentgen is essentially equal to one rad.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Roentgen - a unit of radiation exposureroentgen - a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
radioactivity unit - a measure of radioactivity
2.Roentgen - German physicist who discovered x-rays and developed roentgenography (1845-1923)Roentgen - German physicist who discovered x-rays and developed roentgenography (1845-1923)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

roentgen

nRöntgen nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007