English Dictionary |
ROENTGEN
Pronunciation (US): | (GB): |
Dictionary entry overview: What does Roentgen mean?
• ROENTGEN (noun)
The noun ROENTGEN has 2 senses:
1. a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
2. German physicist who discovered x-rays and developed roentgenography (1845-1923)
Familiarity information: ROENTGEN used as a noun is rare.
Dictionary entry details
Sense 1
Meaning:
A unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
Classified under:
Nouns denoting quantities and units of measure
Synonyms:
R; roentgen
Hypernyms ("roentgen" is a kind of...):
radioactivity unit (a measure of radioactivity)
Sense 2
Meaning:
German physicist who discovered x-rays and developed roentgenography (1845-1923)
Classified under:
Nouns denoting people
Synonyms:
Roentgen; Rontgen; Wilhelm Konrad Roentgen; Wilhelm Konrad Rontgen
Instance hypernyms:
physicist (a scientist trained in physics)
Learn English with... Proverbs |
"A danger foreseen is half-avoided." (Native American proverb, Cheyenne)
"Never speak ill of the dead." (Arabic proverb)
"Hunger is the best cook." (Czech proverb)