| 单词 | diaphanometer |
| 释义 | diaphanometer in British English (ˌdaɪəfəˈnɒmɪtə) noun an instrument, now obsolete, used to measure transparency, esp of the atmosphere diaphanometer in American English (daiˌæfəˈnɑmɪtər) noun an instrument for measuring the transparency of a solid, liquid, or gas Derived forms diaphanometric (daiˌæfənəˈmetrɪk) adjective diaphanometry noun Word origin [1780–90; diaphan(ous) + -o- + -meter]This word is first recorded in the period 1780–90. Other words that entered Englishat around the same time include: alignment, carbon, classification, fluff, rosette-o- is the typical ending of the first element of compounds of Greek origin (as -i- is, in compounds of Latin origin), used regularly in forming new compounds with elementsof Greek origin and often used in English as a connective irrespective of etymology(Franco-Italian; geography; seriocomic; speedometer); -meter is a combining form meaning “measure,” used in the names of instruments measuringquantity, extent, degree, etc. Other words that use the affix -meter include: altimeter, gravimeter, micrometer, radiometer, telemeter |
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