NOUN
- a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
How To Use Rn In A Sentence
- These observations will provide a valuable supplement to the simultaneous records of other expeditions, especially the British in McMurdo Sound and the German in Weddell Sea, above all as regards the hypsometer observations (for the determination of altitude) on sledge journeys. The South Pole~ Remarks on the Meteorological Observations at Framheim
- They could have been classed as ship-rigged sloops-of-war and were built by Thomas Fishburn in 1770 at Whitby.
- When the new foods that came from the Americas - peppers, summer squash and especially tomatoes - took hold in the region, a number of closely related dishes were born, including what we call ratatouille - and a man from La Mancha calls pisto, an Ikarian Greek calls soufiko and a Turk calls turlu. NYT > Home Page
- At the iron railings turn left into the war memorial gardens. Times, Sunday Times
- This came out of an investigation he was carrying out into when a ternary quartic form could be represented as the sum of five fourth powers of linear forms.
- It is, we learned, easier to learn to fly a plane than to master touch-typing. Radio review: Fry's English Delight: The Trial Of Qwerty
- I learned how to negotiate fights between adolescent girls without making it seem like parental interference.
- In 2005, the Mugabe government launched what it called a slum clearance scheme, that bulldozed major shantytowns, brutally displacing hundreds of thousands of people. CNN Transcript Mar 24, 2007
- Lovecraft dealt not with the supernatural but with the "supernormal," as Joshi puts it -- the unrealized side of material reality. The Lovecraft News Network
- Sometime in the early eighteen hundreds, they trekked to the flat plain between the Ohio River and Lake Erie and settled in Mount Vernon, which was then a few small buildings in a forest of tall trees. A Renegade History of the United States