English dictionary

Hint: Wildcards can be used multiple times in a query.

English noun: roentgen

1. roentgen (quantity) a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air


Broader (hypernym)radioactivity unit

2. Roentgen (person) German physicist who discovered x-rays and developed roentgenography (1845-1923)

SynonymsRontgen, Wilhelm Konrad Roentgen, Wilhelm Konrad Rontgen

Instance hypernymphysicist

Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2018 onlineordbog.dk