1 definition by mary deer

sundust is a dust thast comes from the sun. it is dust that gets trapped in the sun's atmosphere and is heated to such extreme temperatures to the point where it becomes almost a pure substances and then falls to the earth in the form of light particles known as sundust.
a car that had it's stay in the old parking lot was covered with sundust as a sign of age.
by mary deer March 31, 2006
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