noun · 1 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/tɛˈljʊə.ɹɪ.ən/
Received-Pronunciation:/tɪ-/
Received-Pronunciation:/-ˈljɔː-/
General-American:/tɛˈl(j)ʊ.ɹi.ən/
General-American:/tə-/
US:Recorded audio is listed in the source snapshot.
homophone: tellurian
1
noun
Meaning 1
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.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
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.
Across languages
Translations
3 source translations are retained for this English entry.
Finnish:
telluurio
— 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
Irish:
teallúrán
— 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
Polish:
tellurium
— 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