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Adjective: amygdaloid  u'mig-du,loyd
  1. Shaped like an almond
    - almond-shaped, amygdaliform, amygdaloidal
Noun: amygdaloid  u'mig-du,loyd
  1. Volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits

Derived forms: amygdaloids

See also: rounded

Type of: volcanic rock

Encyclopedia: Amygdaloid