Standard Lemma guide

thermosphere

noun · 2 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: /ˈθɜːməsfɪə/
  • UK: Recorded audio is listed in the source snapshot.
  • General-American: /ˈθɝməsfɪɚ/

1

noun

Meaning 1

The layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the atmospheric layer between the mesosphere and the exosphere

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: layer

History

Etymology

Etymology tree Proto-Indo-European *gwher-der. Ancient Greek θερμός (thermós)der. English thermo- Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere English -sphere English thermosphere From thermo- + -sphere.

Across languages

Translations

52 source translations are retained for this English entry.

  • Arabic: ثِيرْمُوسْفِير (ṯīrmūsfīr) — layer of the Earth's atmosphere
  • Armenian: ջերմոլորտ (ǰermolort) — layer of the Earth's atmosphere
  • Azerbaijani: termosfer — layer of the Earth's atmosphere
  • Basque: termosfera — layer of the Earth's atmosphere
  • Belarusian: тэрмасфе́ра (termasfjéra) — layer of the Earth's atmosphere
  • Bulgarian: термосфе́ра (termosféra) — layer of the Earth's atmosphere
  • Catalan: termosfera — layer of the Earth's atmosphere
  • Chinese Mandarin: 熱成層 /热成层 (rèchéngcéng) — layer of the Earth's atmosphere
  • Chinese Mandarin: 增溫層 /增温层 (zēngwēncéng) — layer of the Earth's atmosphere
  • Chinese Mandarin: 熱氣層 /热气层 (rèqìcéng) — layer of the Earth's atmosphere
  • Czech: termosféra — layer of the Earth's atmosphere
  • Danish: termosfære — layer of the Earth's atmosphere
  • Dutch: thermosfeer — layer of the Earth's atmosphere
  • Estonian: termosfäär — layer of the Earth's atmosphere
  • Finnish: termosfääri — layer of the Earth's atmosphere
  • French: thermosphère — layer of the Earth's atmosphere
  • Galician: termosfera — layer of the Earth's atmosphere
  • Georgian: თერმოსფერო (termospero) — layer of the Earth's atmosphere
  • German: Thermosphäre — layer of the Earth's atmosphere
  • Greek: θερμόσφαιρα (thermósfaira) — layer of the Earth's atmosphere
  • Hebrew: תרמוספירה — layer of the Earth's atmosphere
  • Hungarian: termoszféra — layer of the Earth's atmosphere
  • Icelandic: hitahvolf — layer of the Earth's atmosphere
  • Indonesian: termosfer — layer of the Earth's atmosphere
  • Irish: teirmeasféar — layer of the Earth's atmosphere
  • Italian: termosfera — layer of the Earth's atmosphere
  • Japanese: 熱圏 (netsuken) — layer of the Earth's atmosphere
  • Karakalpak: termosfera — layer of the Earth's atmosphere
  • Kazakh: термосфера (termosfera) — layer of the Earth's atmosphere
  • Korean: 열권 (yeolgwon) — layer of the Earth's atmosphere
  • Northern Kurdish: germasipêr — layer of the Earth's atmosphere
  • Kyrgyz: термосфера (termosfera) — layer of the Earth's atmosphere
  • Latvian: termosfēra — layer of the Earth's atmosphere
  • Lithuanian: termosfera — layer of the Earth's atmosphere
  • Malay: termosfera — layer of the Earth's atmosphere
  • Norwegian: termosfæren — layer of the Earth's atmosphere
  • Persian: ترموسفر (termôsfer) — layer of the Earth's atmosphere
  • Polish: termosfera — layer of the Earth's atmosphere
  • Portuguese: termosfera — layer of the Earth's atmosphere
  • Romanian: termosferă — layer of the Earth's atmosphere
  • Russian: термосфе́ра (termosféra) — layer of the Earth's atmosphere
  • Serbo-Croatian: термосфера — layer of the Earth's atmosphere
  • Serbo-Croatian: termosfera — layer of the Earth's atmosphere
  • Slovak: termosféra — layer of the Earth's atmosphere
  • Spanish: termosfera — layer of the Earth's atmosphere
  • Swedish: termosfär — layer of the Earth's atmosphere
  • Tagalog: initbulog — layer of the Earth's atmosphere
  • Thai: เทอร์โมสเฟียร์ (termoh sàfia) — layer of the Earth's atmosphere
  • Turkish: termosfer — layer of the Earth's atmosphere
  • Turkmen: termosfera — layer of the Earth's atmosphere
  • Ukrainian: термосфе́ра (termosféra) — layer of the Earth's atmosphere
  • Vietnamese: tầng nhiệt — layer of the Earth's atmosphere