Crossword-Solution: PROTIUM
We have 5 clues for the answer “PROTIUM”
| Clue | Answers |
|---|---|
| AMERICAN shrub/tree (genus) | 14 answers |
| AMERICAN tropical shrub/tree | 20 answers |
| Tree genus | 30 answers |
| DICOTYLEDONOUS plant | 31 answers |
| AMERICAN tropical plant | 31 answers |
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Section of a curve
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A
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R
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C
Hint 1 meaning
The apparent arc described, above or below the horizon, by the
sun or other celestial body. The diurnal arc is described during the
daytime, the nocturnal arc during the night.
Hint 2 anagram
CAR
Hint 3 another clue
AID WHEN GOING TO COURT
22 +1
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Sentences with PROTIUM (5)
The Staff discussed this and has assigned you to original research for the finding of a better method of the extraction of protium from the ore.
Protium, it seemed, was the German name for a rare element of the radium group, which, from its atomic weight and other properties, I recognized as being known to the outside world only as a laboratory curiosity of no industrial significance.
The original use of protium had, I found, been discovered late in the Twentieth Century when the protium ores of the Ural Mountains were still available to the German chemists.
After Russia had been won by the World Armies, the Germans for a time suffered chronic nitrogen starvation, as they depended on the protium derived from what remained of their agriculture and from the fisheries in the Baltic.
Sending their submarines thence in search of platinum ores they had not found platinum but a limited supply of ore containing the even more valuable protium.