micrometeoroid [mī΄krəmēt′ē ər oid΄]
an extremely small meteoroid

English World dictionary. . 2014.

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  • Micrometeoroid — collected from the Antarctic snow A micrometeoroid is a tiny meteoroid; a small particle of rock in space, usually weighing less than a gram. A micrometeor or micrometeorite is such a particle that enters the Earth s atmosphere or falls to Earth …   Wikipedia

  • micrometeoroid — [mī΄krəmēt′ē ər oid΄] n. 〚 MICRO + METEOROID〛 an extremely small meteoroid * * * mi·cro·me·te·or·oid (mī krō mēʹtē ə roid ) n. A very small, often dust sized meteoroid. * * * …   Universalium

  • micrometeoroid — noun Date: 1961 micrometeorite 2 …   New Collegiate Dictionary

  • micrometeoroid — noun an extraterrestrial particle less than a millimeter in size See Also: micrometeorite …   Wiktionary

  • micrometeoroid — mi·cro·meteoroid …   English syllables

  • micrometeoroid — noun a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere • Syn: ↑micrometeorite, ↑micrometeor • Derivationally related forms: ↑micrometeoritic (for: ↑micrometeorite) …   Useful english dictionary

  • Thermal Micrometeoroid Garment — An (Integrated) Thermal Micrometeoroid Garment (TMG or ITMG) is the outer layer of a space suit. The TMG has three functions: to insulate the suit occupant and prevent heat loss, to shield the occupant from harmful solar radiation, and to protect …   Wikipedia

  • MDIM — Micrometeoroid Debris Impact Monitor Contributor: LaRC …   NASA Acronyms

  • MMOD — Micrometeoroid/Orbital Debris Contributor: MSFC …   NASA Acronyms

  • Rings of Saturn — The full set of main rings, imaged as Saturn eclipsed the Sun from the vantage of the Cassini spacecraft on 15 September 2006 (brightness is exaggerated). The pale blue dot at the 10 o clock position, outside the main rings and just inside the G… …   Wikipedia

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