Roentgen, Wilhelm Konrad Roentgen, Rontgen, Wilhelm Konrad Rontgen
(noun) German physicist who discovered x-rays and developed roentgenography (1845-1923)
roentgen
(noun) a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
Source: WordNet® 3.1
roentgen (plural roentgens)
Alternative form of röntgen
Roentgen
Alternative form of Röntgen
Source: Wiktionary
16 June 2025
(noun) raspberry of China and Japan having pale pink flowers grown for ornament and for the small red acid fruits
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
