Meanings
nounarmalcolite (plural armalcolites)
plural armalcolites
- chemistryAn orthorhombic mineral first discovered on the Moon.
Origin
From the names of astronauts (ARM)strong, (AL)drin, and (COL)lins + -ite; it was discovered by the Apollo 11 crew.
Full word history & related roots →Translations
Finnish armalkoliitti
- armalkoliittian orthorhombic mineral first discovered on the Moon
French armalcolite
- armalcolitean orthorhombic mineral first discovered on the Moon
Portuguese armalcolita
- armalcolitaan orthorhombic mineral first discovered on the Moon
Spanish armalcolita
- armalcolitaan orthorhombic mineral first discovered on the Moon
Cite this entry
APA
armalcolite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/armalcolite
MLA
“armalcolite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/armalcolite. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “armalcolite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/armalcolite.
Source: armalcolite on Wiktionary, CC BY-SA 4.0.