roentgen

(redirected from roentgen unit)
Also found in: Thesaurus, Medical, Encyclopedia.

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.

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]

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

roentgen

A unit of exposure dose of gamma (or X-) radiation. In field dosimetry, one roentgen is essentially equal to one rad.
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)
Translations

roentgen

nRöntgen nt
References in periodicals archive ?
Roentgen Unit Reach Mobile C (1 Pc), High-Performance Ultrasound Multidisciplinary (2 Pcs) Anesthesia Machine (1 Pc) Orthopedic Table (1 Pc.