Meanings
plural amygdaloids
- countableuncountableA variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, especially agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.
Synonyms: mandlestone
Synonyms & antonyms
nounA variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, especially agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.
More synonyms by meaning
adjectiveshaped like an almond
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Ancient Greekἀμυγδάλη“almond”
- Englishamygdaloid
From Ancient Greek ἀμυγδάλη (amugdálē, “almond”) + -oid.
More words from Ancient Greek
Full word history & related roots →Translations
Catalan amigdaloide
- amigdaloideshaped like an almond
Finnish mantelinmuotoinen
- mantelinmuotoinenshaped like an almond
French amygdaloïde
- amygdaloïdeshaped like an almond
Italian amigdaloide
- amigdaloideshaped like an almond
Portuguese amigdaloide
- amigdaloideshaped like an almond
Russian миндалеви́дный
- миндалеви́дный (mindalevídnyj)shaped like an almond
Ukrainian мигдалеподі́бний
- мигдалеподі́бний (myhdalepodíbnyj)shaped like an almond
Cite this entry
amygdaloid. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/amygdaloid
“amygdaloid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/amygdaloid. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “amygdaloid,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/amygdaloid.
Source: amygdaloid on Wiktionary, CC BY-SA 4.0.