Meanings
noundelessite (countable and uncountable, plural delessites)
plural delessites
- countableuncountablechemistryA magnesium-rich form of chamosite that is a member of the chlorite group.
Several delessites and chloropals occurring in basalts have a composition very close to that of the glass.
1905, B. K. Emerson, “Plumose diabase and palagonite from the Holyoke trap sheet”, in Bulletin of the Geological Society of America, volume 16, page 105
Synonyms & antonyms
Also see
Origin
From Delesse + -ite, after Achille Delesse
Full word history & related roots →Cite this entry
APA
delessite. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/delessite
MLA
“delessite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/delessite. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “delessite,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/delessite.
Source: delessite on Wiktionary, CC BY-SA 4.0.