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单词 palladio-
释义

palladio-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is always maintained on the second syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. palladionitrite Brit. /pəˌleɪdɪə(ʊ)ˈnʌɪtrʌɪt/, U.S. /pəˌleɪdioʊˈnaɪˌtraɪt/.
Origin: Formed within English, by compounding. Etymons: palladium n.2, -o- connective.
Etymology: < palladium n.2 + -o- connective.Attested only in the formations below.
Chemistry.
Forming the names of compounds which contain palladium.
ΚΠ
1841 W. T. Brande Man. Chem. 1089 Palladio-bichloride of Potassium.
1866 H. Watts Dict. Chem. (1877) IV. 330 Chloride of palladio-phenylammonium.
1883 Philos. Trans. (Royal Soc.) 174 516 Palladio-hydrogen volatile alloy.
1912 Jrnl. Amer. Chem. Soc. 34 1448 Berzelius in 1828 first determined the atomic weight of palladium by decomposing potassium palladiochloride in an atmosphere of hydrogen.
1922 T. M. Lowry Inorg. Chem. xli. 823 This salt may perhaps be compared with the palladionitrite.
1995 Org. Chem. 60 1016/2 A 1,3-shift of palladium from carbon to oxygen of the nitro group would afford a palladio nitronate.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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comb. form1841
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