Synonyms: amygdaloid
Definition: volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits
Similar words: volcanic rock
Definition: extrusive igneous rock solidified near or on the surface of the Earth
Synonyms: almond-shaped, amygdaliform, amygdaloid, amygdaloidal
Definition: shaped like an almond
Similar words: rounded
Definition: curving and somewhat round in shape rather than jagged
Usage: low rounded hills; rounded shoulders