Standard Lemma guide

tachocline

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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  • /ta.ko.klaɪn/

1

noun

Meaning 1

A region of abrupt transition from rotation to convection in the interior of the sun.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From tacho- + -cline; coined in a paper by Edward A. Spiegel and Jean-Paul Zahn in 1992 (Spiegel, E. A.; & Zahn, J.-P.; "The solar tachocline", Astronomy and Astrophysics, 265, 106–114, 1992) by analogy to the oceanic thermocline.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: tachocline — Translations
  • German: Tachocline — Translations
  • Spanish: tacoclina — Translations
  • Tamil: வேகச்சரிவு (vēkaccarivu) — Translations