| 单词 | isochasm |
| 释义 | isochasm in British English (ˈaɪsəˌkæzəm) noun a line on a map connecting points of equal auroral frequency isochasm in American English (ˈaisəˌkæzəm) noun Meteorology a line on a map or chart connecting points where auroras are observed with equal frequency Derived forms isochasmic adjective Word origin [1880–85; iso- + chasm]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: Chief of Staff, highball, impressionism, interface, quotation markiso- is a combining form meaning “equal,” used in the formation of compound words (isochromatic). In chemistry, iso- is used in the names of substances which are isomeric with the substance denotedby the base word (isocyanic acid). Other words that use the affix iso- include: isoclinal, isodynamic, isomorphous, isosteric, isotope |
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