amygdaloid

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Related to amygdaloids: amygdala

a·myg·da·loid

 (ə-mĭg′də-loid′)
n.
A volcanic rock containing many amygdules.
adj. also a·myg·da·loi·dal (-loi′dl)
1. Shaped like an almond.
2. Anatomy Of or relating to the amygdala.
3. Resembling a volcanic rock that contains many amygdules.

[Latin amygdala, almond; see amygdala + -oid.]

amygdaloid

(əˈmɪɡdəˌlɔɪd)
n
(Geological Science) a volcanic igneous rock containing amygdales
adj
1. having the shape of an almond
2. (Geological Science) a less common form of amygdaloidal1

a•myg•da•loid

(əˈmɪg dəˌlɔɪd)

n.
1. a volcanic rock in which rounded cavities formed by the expansion of gas or steam have later become filled with deposits of various minerals.
adj.
2. Also, a•myg`da•loi′dal. almond-shaped.
[1785–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amygdaloid - volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits
volcanic rock - extrusive igneous rock solidified near or on the surface of the Earth
Adj.1.amygdaloid - shaped like an almondamygdaloid - shaped like an almond    
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
References in periodicals archive ?
And then Schiller went back to what she had been doing, which was providing a slamming, rhythmic beat on drums and backup vocals for the Amygdaloids, a rock band composed of New York City neuroscientists.
The fluids circulated upward into the amygdaloids and the vuggy areas of the diapiric structures through faults and joints in the basalt.
Cummings (1987) has broken down the amygdaloids into four distinct and discernible stratigraphic zones based on the secondary mineralization expected in each.
An amygdaloid rock is one that often contains pure copper in the amygdaloids, or almond-shaped cavities.