heliometry
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
18
Scrabble Score
10
Letters
4
Syllables
9
Unique Chars
Meaning
noun
The measurement of the diameters of heavenly bodies, their relative distances, etc. by means of a heliometer
Uncountable
Etymology
From helio- + -metry.