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单词 nitrato-
释义

nitrato-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. nitratosulphuric Brit. /nʌɪˌtreɪtə(ʊ)sʌlˈfjʊərɪk/, /nʌɪˌtreɪtə(ʊ)sʌlˈfjɔːrɪk/, U.S. /naɪˌtreɪdoʊˌsəlˈfjʊrɪk/.
Origin: Formed within English, by compounding. Etymons: nitrate n., -o- connective.
Etymology: < nitrate n. + -o- connective. Compare nitrito- comb. form.Found only in a small number of formations exemplified below.
Chemistry.
Designating, containing, or involving the nitrate group or radical —ONO2.
1. Prefixed to the names of chemical compounds.
ΚΠ
1887 Jrnl. Chem. Soc. 52 114 Nitratopurpureo-rhodium chloride, (NO3)2(Rh2,10NH3)Cl4, is obtained as a pale greenish-yellow precipitate.
1928 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. VIII. 691 Free nitratosulphuric acid, HNO3H2SO4..has not been isolated.
1944 J. Grant Hackh's Chem. Dict. (ed. 3) 573/1 Nitrato-, a prefix indicating an organic compound containing the —O.NO2 radical.
2. Preceding words other than chemical names. Often without hyphen, functioning as an attributive adjective.Examples without hyphen may be interpreted as attributive use of a corresponding noun.
ΚΠ
1950 N. V. Sidgwick Chem. Elements II. 1410 No compounds with a nitrato group attached to cobalt in an anion are known.
1966 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. II. xxii. 141 The formation of nitrato, sulphate and carboxylato complexes of high coordination number by these small cations..is probably a consequence of the anion geometries.
1994 Jrnl. Inorg. Biochem. 53 117 The copper(II) coordinated geometry is tetragonally distorted octahedral with..two oxygens from nitrato ions in the basal plane.
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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