| 单词 | ium |
| 释义 | -ium in British English or sometimes -um suffix forming nouns 1. indicating a metallic element platinum barium 2. (in chemistry) indicating groups forming positive ions ammonium chloride hydroxonium ion 3. indicating a biological structure syncytium Word origin New Latin, from Latin, from Greek -ion, diminutive suffix-ium in American English (iəm; jəm) 1. a. forming Modern Latin names for chemical elements sodium b. forming the names of certain positive ions ammonium, carbonium 2. forming the names of certain biological structures conidium, syncytium Word origin ModL < L, ending of certain neuter nounsDefinition of '-ium' |
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