Word Study
megameter
CIDE DICTIONARY
megameter, n. [Mega- + -meter: cf. F. mégamètre.].
- An instrument for determining longitude by observation of the stars. [1913 Webster]
- A micrometer. Knight. [1913 Webster]
megameter, n. [Mega- + meter, metre, n., 2.].
In the metric system, one million meters, or one thousand kilometers. [1913 Webster]
For further exploring for "megameter" in Webster Dictionary Online