| 单词 | microearthquake |
| 释义 | microearthquake in British English (ˌmaɪkrəʊˈɜːθˌkweɪk) noun a mild earth tremor that is usually of a value between 0 and 3 on the Richter scale microearthquake in American English (ˌmaikrouˈɜːrθˌkweik) noun an earthquake of very low intensity (magnitude of 2 or less on the Richter scale) Also called: microtremor Word origin [1965–70; micro- + earthquake]This word is first recorded in the period 1965–70. Other words that entered Englishat around the same time include: Finlandization, genetic engineering, hired gun, no-fault, stun gunmicro- is a combining form with the meanings “small” (microcosm; microgamete), “very small in comparison with others of its kind” (microcomputer; microlith), “too small to be seen by the unaided eye” (microfossil; microorganism), “dealing with extremely minute organisms, organic structures, or quantities ofa substance” (microdissection; microscope), “localized, restricted in scope or area” (microburst; microhabitat), “(of a discipline) focusing on a restricted area” (microeconomics), “containing or dealing with texts that require enlargement to be read” (microfilm; microreader), “one millionth” (microgram) |
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