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单词 ruthenious
释义

rutheniousadj.

Brit. /rʊˈθiːnɪəs/, U.S. /ruˈθiniəs/
Origin: Formed within English, by derivation. Etymons: ruthenium n., -ous suffix.
Etymology: < ruthenium n. + -ous suffix. Compare ruthenous adj.
Chemistry. Now rare.
= ruthenous adj.
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the world > matter > chemistry > elements and compounds > metals > specific elements > ruthenium > [adjective]
ruthenic1845
ruthenious1849
1849 H. Watts tr. L. Gmelin Hand-bk. Chem. II. 40 Protoxide of ruthenium or ruthenious oxide, RuO.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 440 The sesquioxide, or Ruthenious oxide, Ru2O3.
1920 G. S. Newth Text-bk. Inorg. Chem. (rev. ed.) iii. xiv. 691 Ruthenium, osmium, rhodium, and iridium form salts corresponding to the sesquioxide, such as ruthenious chloride, Ru2Cl6.
This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).
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adj.1849
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