资料来源 : Webster's Revised Unabridged Dictionary (1913)

Micrometric \Mi`cro*met"ric\, Micrometrical \Mi`cro*met"ric*al\,
   a. [Cf. F. microm['e]trique.]
   Belonging to micrometry; made by the micrometer. --
   {Mi`cro*met"ric*al*ly}, adv.