Tholus Definition

noun

(astronomy, geology) A small domical mountain or hill.

Hecates Tholus is a Martian volcano.
Wiktionary

Other Word Forms of Tholus

Noun

Singular:
tholus
Plural:
tholi

Origin of Tholus

  • From Latin tholus (“dome, rotunda”).

    From Wiktionary

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