单词 | platino-iridium |
释义 | > as lemmasplatino-iridium platino-iridium n. Brit. /ˌplatᵻnəʊᵻˈrɪdɪəm/ , /ˌplatn̩əʊᵻˈrɪdɪəm/ , U.S. /ˌplætn̩oʊɪˈrɪdiəm/ = platiniridium n.ΚΠ 1875 Harper's Mag. Jan. 141/2 Some very curious phenomena have been observed by Tresca during the forging of the great ingot of platino-iridium. 1908 Practitioner Sept. 485 The best needle to use is one of platino-iridium, since it can be rendered absolutely sterile in the flame of a spirit lamp. 1962 Times 2 Jan. 7/3 Until now the standard metre was a bar of platino-iridium..which, it was believed, was equal in length to one ten-millionth of a meridianal quadrant of the earth. < as lemmas |
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