Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The most abundant isotope of hydrogen, H-1, having one proton in the nucleus.
from The Century Dictionary.
- noun A genus of polypetalous trees of the order Burseraceæ and tribe Bursereæ.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics The
lightest and mostcommon isotope ofhydrogen , having a singleproton and noneutrons - 11H - noun An atom of this isotope.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun genus of chiefly tropical American trees having fragrant wood and yielding gum elemi
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Urey calls heavy hydrogen deuterium and ordinary hydrogen protium.
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Baltic; they must have perished miserably but for the discovery of a new source of protium.
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The Emperor nodded to the Chief of the Chemical Staff who arose and read the report of my solution of the protium problem.
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The voice was speaking monotonously and the words I heard were the words of the protium formulas, the false ones I had given the Chemical Staff.
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But I wanted power; and, with the secret of protium extraction in my possession, I would have control of life or death over three hundred million men.
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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.
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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.
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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
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The original use of protium had, I found, been discovered late in the Twentieth Century when the protium ores of the
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All my ingredients were tested for the presence of extracted protium, lest I be trying to "salt the mine."
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