Micrometeorite



/ˌmaɪkrəʊˈmiːtɪəˌraɪt/
noun
1.
a tiny meteorite having a diameter of 10–40 micrometres, found esp in rainwater and seawater, having entered the atmosphere as a micrometeoroid (extremely small meteoroid)

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  • Micrometeoroid

    micrometeoroid (mī’krō-mē’tē-ə-roid’) An extremely small meteoroid, typically the size of a grain of dust. Particles measuring less than 0.05 mm (0.002 inch) in diameter are classed as micrometeoroids. Despite their small size, their high velocities mean that micrometeoroids pose a significant threat to spacecraft and artificial satellites. ◇ A micrometeoroid that reaches the surface of […]

  • Micrometeorology

    [mahy-kroh-mee-tee-uh-rol-uh-jee] /ˌmaɪ kroʊˌmi ti əˈrɒl ə dʒi/ noun 1. the study of local and small-scale atmospheric phenomena, usually confined to the physical and dynamic occurrences within a shallow stratum of air adjacent to the ground. /ˌmaɪkrəʊˌmiːtɪəˈrɒlədʒɪ/ noun 1. the study of the layer of air immediately above the earth and of small-scale meteorological processes micrometeorology […]



  • Micrometer

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  • Micrometer-caliper

    [mahy-krom-i-ter] /maɪˈkrɒm ɪ tər/ noun 1. any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope. 2. Also called mike. micrometer caliper. a precision instrument with a spindle moved by a finely threaded screw, for the measurement of thicknesses and short lengths, commonly used by machinists for […]



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