Sentence Examples


  • 8 a to oxidize when sparked with oxygen, and on examining it spectroscopically he saw that the spectrum was not that of argon, but was characterized by a bright yellow line near to, but not identical with, the D line of sodium.
  • In the absence of liquid air the helium must be purified by the methods employed for argon (q.v.).
  • (I) it is a corruption of the ancient name, Egeopelago; (2) it is from the modern Greek, `Ayco iraayo, the Holy Sea; (3) it arose at the time of the Latin empire, and means the Sea of the Kingdom (Arche); (4) it is a translation of the Turkish name, Ak Denghiz, Argon Pelagos, the White Sea; (5) it is simply Archipelagus, Italian, arcipelago, the chief sea.
  • One remarkable discovery, however, of general interest, was the outcome of a long series of delicate weighings and minute experimental care in the determination of the relative density of nitrogen gas - undertaken in order to determine the atomic weight of nitrogen - namely, the discovery of argon, the first of a series of new substances, chemically inert, which occur, some only in excessively minute quantities, as constituents of the 1 The barony was created at George IV.'s coronation in 1821 for the wife of Joseph Holden Strutt, M.P. for Maldon (1790-1826) and Okehampton (1826-1830), who had done great service during the French War as colonel of the Essex militia.
  • In 1894 he was associated with Lord Rayleigh in the discovery of argon, announced at that year's meeting of the British Association in Oxford, and in the following year he found in certain rare minerals such as cleveite the gas helium which till that time had only been known on spectroscopic evidence as existing in the sun.

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