noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The measurement of the diameters of heavenly bodies, their relative distances, etc. by means of a heliometer uncountable

Synonyms

All synonyms

opticsphotometry

Etymology

From helio- + -metry.

Related phrases

heavenly body

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.