Megameter

Me·gam'e·ter noun [ Mega- + -meter : confer French mégamètre .] (Physics) 1. An instrument for determining longitude by observation of the stars. 2. A micrometer. [ R.] Knight.
Found on http://www.encyclo.co.uk/webster/M/41

megameter

<astronomy, instrument> An instrument for determining longitude by observation of the stars. ... Origin: F. Megametre. ... (29 Oct 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?megameter

Megameter

• (n.) An instrument for determining longitude by observation of the stars. • (n.) Alt. of Megametre • (n.) A micrometer.
Found on http://thinkexist.com/dictionary/meaning/megameter/
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