heliometer

[ hee-lee-om-i-ter ]

/ ˌhi liˈɒm ɪ tər /

noun

a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.

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

Words nearby heliometer

heliogram, heliograph, heliogravure, heliolatry, heliolithic, heliometer, heliopause, heliophyte, Heliopolis, Helios, helioscope

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for heliometer

To sum up briefly the history of the development of the heliometer.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various
In 1824 the great Knigsberg heliometer was commenced, and it was completed in 1829.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various
These two traditional methods were supplemented in 1874 by the camera and the heliometer.
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke
He also invented a heliometer, afterwards perfected by Fraunhofer.
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3|Various

The instrument he is to use should be that marvellous piece of mechanical and optical skill known as the heliometer.
The Story of the Heavens|Robert Stawell Ball

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

单词	heliometer
释义	heliometer [ hee-lee-om-i-ter ] / ˌhi liˈɒm ɪ tər / noun a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies. 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 Words nearby heliometer heliogram, heliograph, heliogravure, heliolatry, heliolithic, heliometer, heliopause, heliophyte, Heliopolis, Helios, helioscope Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heliometer To sum up briefly the history of the development of the heliometer. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2\|Various In 1824 the great Knigsberg heliometer was commenced, and it was completed in 1829. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2\|Various These two traditional methods were supplemented in 1874 by the camera and the heliometer. A Popular History of Astronomy During the Nineteenth Century\|Agnes M. (Agnes Mary) Clerke He also invented a heliometer, afterwards perfected by Fraunhofer. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3\|Various The instrument he is to use should be that marvellous piece of mechanical and optical skill known as the heliometer. The Story of the Heavens\|Robert Stawell Ball 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
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