(as-trom-e-try) 4 syllables

Definition

noun. the branch of astronomy that deals with the measurement of the positions and motions of celestial objects.

Example Sentence

Stars and planets are studied in astrometry.

Synonyms

celestial measurement; celestial observation; celestial tracking

Antonyms

celestial ignorance; celestial neglect

Hear It! Say It! Write It!

astrometry
Hear It! Say It! Write It!