Me‐gam″e‐ter (?), n. [Mega- + -meter: cf. F. mégamètre.] (Physics) 1. An instrument for determining longitude by observation of the stars.
2. A micrometer. Knight.
Webster's Dictionary 1913
Me‐gam″e‐ter (?), n. [Mega- + -meter: cf. F. mégamètre.] (Physics) 1. An instrument for determining longitude by observation of the stars.
2. A micrometer. Knight.