röntgen

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciationsEnglish: /ˈrɒntɡən/, German: /ˈrœntɡən/

US:USA pronunciation: respellingUSA pronunciation: respelling(rent′gən, -jən, runt′-; Ger. nt′gən; Du. o̅o̅nt′ən)

Collins Concise English Dictionary © HarperCollins Publishers::

röntgen /ˈrɒntɡən; -tjən; ˈrɛnt-/ n

roent•gen /ˈrɛntgən, -dʒən, ˈrʌnt-/USA pronunciation n. [countable]

Rönt•gen (rent′gən, -jən, runt′-; Ger. rœnt′gən;
Du. ro̅o̅nt′кнən),USA pronunciation n.

Roent•gen (rent′gən, -jən, runt′-; for 1 also Ger. rœnt′gən),USA pronunciation n.

Physics(l.c.) a unit of exposure dose that measures x-rays or gamma rays in terms of the ions or electrons produced in dry air at 0° C and one atmosphere, equal to the amount of radiation producing one electrostatic unit of positive or negative charge per cubic centimeter of air. Abbr.: r, R

adj.

Physics(sometimes l.c.) of or pertaining to Wilhelm Roentgen, the Roentgen unit, or esp. to x-rays.

Also, Röntgen.

Collins Concise English Dictionary © HarperCollins Publishers::

Röntgen /ˈrɒntɡən; -tjən; ˈrɛnt-; German: ˈrœntɡən/ n

Collins Concise English Dictionary © HarperCollins Publishers::

Roentgen, Röntgen /ˈrɒntɡən; -tjən; ˈrɛnt-/ /German: ˈrœntɡən/ n

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

Collins Concise English Dictionary © HarperCollins Publishers::

roentgen, röntgen /ˈrɒntɡən; -tjən; ˈrɛnt-/ n

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

Etymology: 20th Century: named after W. K. Roentgen

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