Cassegrainian

C3A1S1S1E1G2R1A1I1N1I1A1N1

adjective

Of or relating to Laurent Cassegrain (ca. 1629—1693), Catholic priest remembered as the probable inventor of the Cassegrain reflector, a folded two-mirror reflecting telescope.

Scrabble 16
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Meanings

adjectiveCassegrainian (not comparable)
  1. not comparableOf or relating to Laurent Cassegrain (ca. 1629—1693), Catholic priest remembered as the probable inventor of the Cassegrain reflector, a folded two-mirror reflecting telescope.

Origin

From French Cassegrain + -ian.

Full word history & related roots →
Cite this entry
APA

Cassegrainian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Cassegrainian

MLA

“Cassegrainian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cassegrainian. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Cassegrainian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Cassegrainian.

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