Definition of "micrometrical" []

• Micrometric; relating to micrometry or a micrometer (adjective)

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• "Königsberg, and in its design introduced a principle which admirably adapted it for micrometrical measurement."
• "He made so exact a micrometrical map of the great crater of the moon (Copernicus) that the Royal Society of London had numerous photographic copies made of it, and had them distributed among those interested in astronomy."
• ""Tabulae Mercurii, Martis, Veneris, Solares", and the greater part of his micrometrical observations of the sun, moon, planets, and positions of stars."