See Also: micrometeoroid(dictionary)

micrometeoroid (iou)



micrometeoroid noun. M20.
[from MICRO- + METEOROID.]
A microscopic particle in space or of extraterrestrial origin which is small enough not to suffer ablation in the earth's atmosphere.
micrometeor noun = MICROMETEOROID M20.
micromete'oric adjective micrometeoroidal M20.
micrometeorite noun a micrometeoroid, spec. one that has entered the earth's atmosphere M20.
micrometeo'ritic adjective of the nature of a micrometeorite; pertaining to or produced by micrometeorites: M20.
micrometeo'roidal adjective of the nature of a micrometeoroid; pertaining to or produced by micrometeoroids: L20.