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amygdaloid

PRIMARY MEANINGS OF: amygdaloid

1
adj
shaped like an almond
2
n
volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits
FULL DEFINITIONS OF: amygdaloid
1

adj shaped like an almond

Synonyms:
almond-shaped, amygdaliform, amygdaloidal
rounded
curving and somewhat round in shape rather than jagged
2

n volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits

Type of:
volcanic rock
extrusive igneous rock solidified near or on the surface of the Earth
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