tellurion

== English == === Etymology === From Latin tellūs (“earth, ground; the globe, planet Earth; country, land”) (ultimately from Proto-Indo-European *telh₂- (“ground, bottom”) + -ion (a Latinate suffix used in place of -ian (suffix meaning ‘one from, belonging to, relating to, or like’)), possibly coined by Benjamin Martin (baptized 1705; died 1782), an English lecturer, lexicographer, and maker of scientific instruments: see the quotation. === Pronunciation === (Received Pronunciation) IPA(key): /tɛˈljʊə.ɹɪ.ən/, /tɪ-/, /-ˈljɔː-/ (General American) IPA(key): /tɛˈl(j)ʊ.ɹi.ən/, /tə-/ Homophone: tellurian Hyphenation: tel‧lur‧i‧on === Noun === tellurion (plural tellurions) (astronomy, historical) An instrument used to show how the rotation of the Earth on its axis and its orbit around the Sun cause day and night and the seasons. ==== Alternative forms ==== tellarium (probably erroneous) tellurian tellurium ==== Translations ==== ==== See also ==== orrery === Notes === === References === === Further reading === tellurion on Wikipedia.Wikipedia