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Word Of The Day
Saturday 21st of November 2009
Underling
1: an assistant subject to the
authority or control of another
[syn: {subordinate},
{subsidiary}, {foot soldier}]
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Dictionary definition for the word f region
f region (noun)
1 definition

1: the highest region of the ionosphere (from 90 to 600 miles up) that contains the highest concentration of free electrons and is most useful for long-range radio transmission [syn: Appleton layer, F layer]
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