coronagraph

C3O1R1O1N1A1G2R1A1P3H4

noun

A telescope that has an attachment which blocks out the direct light from the Sun or other star, allowing examination of the corona and the detection of exoplanets.

OriginAncient Greek γράφω (gráphō) ← Proto-Hellenic *grə́pʰō ← Proto-Indo-European *gerbʰ- →
RareScrabble 19
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Meanings

nouncoronagraph (plural coronagraphs)

plural coronagraphs

  1. astronomyA telescope that has an attachment which blocks out the direct light from the Sun or other star, allowing examination of the corona and the detection of exoplanets.

    The crosscalibration between LASCO C2 and the STEREO coronagraphs allows, for the first time, the potential use of multi-spacecraft coronagraph data for tomography and for CME analysis..

    2015, Huw Morgan, “An atlas of coronal electron density at 5Rs I: Data processing and calibration”, in The Astrophysical Journal Supplement Series, volume 219

Origin

  1. Englishcorona
  2. Proto-Indo-European*gerbʰ-
  3. Proto-Hellenic*grə́pʰō
  4. Ancient Greekγράφω (gráphō)
  5. Englishcoronagraph

From corona + -graph.

Full word history & related roots →

Translations

German Koronograph
  • KoronographTranslations
Greek στεμματογράφος
  • στεμματογράφος (stemmatográfos)Translations
Persian تاجنگار
  • تاجنگار (tâj-negâr)Translations
Polish koronograf
  • koronografTranslations
Portuguese coronógrafo
  • coronógrafoTranslations
Cite this entry
APA

coronagraph. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/coronagraph

MLA

“coronagraph.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coronagraph. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “coronagraph,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/coronagraph.

Source: coronagraph on Wiktionary, CC BY-SA 4.0.