Definition of astrometer in English:

astrometer

noun əˈstrɒmɪtə

Astronomy

Any of various instruments for measuring parameters relating to celestial objects, especially their apparent magnitude or apparent diameter.

Late 18th century; earliest use found in The Monthly Review. From astro- + -meter, originally after French astéréomètre.

nounəˈstrɒmɪtə

Astronomy

Any of various instruments for measuring parameters relating to celestial objects, especially their apparent magnitude or apparent diameter.

Late 18th century; earliest use found in The Monthly Review. From astro- + -meter, originally after French astéréomètre.

词汇	astrometer
释义	Definition of astrometer in English: astrometer noun əˈstrɒmɪtə Astronomy Any of various instruments for measuring parameters relating to celestial objects, especially their apparent magnitude or apparent diameter. Origin Late 18th century; earliest use found in The Monthly Review. From astro- + -meter, originally after French astéréomètre. Definition of astrometer in US English: astrometer nounəˈstrɒmɪtə Astronomy Any of various instruments for measuring parameters relating to celestial objects, especially their apparent magnitude or apparent diameter. Origin Late 18th century; earliest use found in The Monthly Review. From astro- + -meter, originally after French astéréomètre.
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