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Webster 1913 Edition


Amygdaloid

A-myg′da-loid

,
Noun.
[Gr. [GREEK] almond +
-oid
: cf. F.
amygdaloïde
.]
(Min.)
A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

Webster 1828 Edition


Amygdaloid

AMYG'DALOID

,
Noun.
[Gr. an almond, and form;]
Toad-stone; a compound rock, consisting of a basis of basalt, greenstone or some other variety of trap, imbedding nodules of various minerals, particularly calcarious spar, quartz, agate, zeolite, chlorite, &c. When the imbedded minerals are detached, it is porous, like lava.

Definition 2024


amygdaloid

amygdaloid

English

Adjective

amygdaloid (comparative more amygdaloid, superlative most amygdaloid)

  1. Shaped like an almond.

Translations

Noun

amygdaloid (plural amygdaloids)

  1. A 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

Derived terms