Dictionary.com

heliometer

[ hee-lee-om-i-ter ]
/ ˌhi liˈɒm ɪ tər /
Save This Word!

noun
a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of heliometer

First recorded in 1745–55; helio- + -meter

OTHER WORDS FROM heliometer

he·li·o·met·ric [hee-lee-uh-me-trik], /ˌhi li əˈmɛ trɪk/, he·li·o·met·ri·cal, adjectivehe·li·o·met·ri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use heliometer in a sentence

British Dictionary definitions for heliometer

heliometer
/ (ˌhiːlɪˈɒmɪtə) /

noun
a refracting telescope having a split objective lens that is used to determine very small angular distances between celestial bodies

Derived forms of heliometer

heliometric (ˌhiːlɪəʊˈmɛtrɪk) or heliometrical, adjectiveheliometrically, adverbheliometry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK