dimercur-dimercuro-dimercurycomb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the second syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. dimercurammonium Brit.

/dʌɪˌməːkjᵿrəˈməʊnɪəm/, U.S.

/daɪˌmərkjərəˈmoʊniəm/.

Etymology: di- comb. form 2.

Chemistry.

Used attributively and in other combinations to express the presence of two equivalents of mercury. Thus dimercuraˈmmonium Hg₂H₄. N₂, an ammoniacal mercury base in which half the hydrogen in ammonium is replaced by two atoms of divalent mercury.

ΚΠ

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 353 A brown precipitate..consisting of dimercur-ammonium iodide.

1881 Nature 15 Sept. 467/2 Dimercury methylene iodide, CH₂(HgI)₂, is obtained by exposing methylene iodide with an excess of mercury to the action of light.

This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022).

单词	dimercur-
释义	dimercur-dimercuro-dimercurycomb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the second syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. dimercurammonium Brit. /dʌɪˌməːkjᵿrəˈməʊnɪəm/, U.S. /daɪˌmərkjərəˈmoʊniəm/. Etymology: di- comb. form 2. Chemistry. Used attributively and in other combinations to express the presence of two equivalents of mercury. Thus dimercuraˈmmonium Hg₂H₄. N₂, an ammoniacal mercury base in which half the hydrogen in ammonium is replaced by two atoms of divalent mercury. ΚΠ 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 353 A brown precipitate..consisting of dimercur-ammonium iodide. 1881 Nature 15 Sept. 467/2 Dimercury methylene iodide, CH₂(HgI)₂, is obtained by exposing methylene iodide with an excess of mercury to the action of light. This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022). < comb. form1868
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