heliometer

== English == === Etymology === From helio- +‎ -meter, from Ancient Greek Ἥλιος (Hḗlios), from ἥλιος (hḗlios, “sun”), and French mètre, from Ancient Greek μέτρον (métron, “measure”). === Pronunciation === === Noun === heliometer (plural heliometers) An astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies. ==== Related terms ==== heliometric heliometry ==== Translations ==== == Dutch == === Etymology === Probably borrowed. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. === Pronunciation === IPA(key): /ˈɦeː.li.oːˌmeː.tər/ Hyphenation: he‧lio‧me‧ter === Noun === heliometer m (plural heliometers, no diminutive) heliometer Synonym: helioscoop == Slovak == === Pronunciation === IPA(key): [ˈɦeliɔmeter] === Noun === heliometer m inan heliometer ==== Declension ==== === Further reading === “heliometer”, in Slovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak), https://slovnik.juls.savba.sk, 2003–2026