amygdaloid

/uh-mig-duh-loid/US // əˈmɪg dəˌlɔɪd //UK // (əˈmɪɡdəˌlɔɪd) //

杏仁状体,杏仁体,杏仁状突起,杏仁状物

Definitions

n.名词 noun

1
Petrology.
- : 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.形容词 adjective

1
Also a·myg·da·loi·dal.
- : containing amygdules.
- : almond-shaped.
- : Anatomy. of or relating to an amygdala.

Chalcedony, apparently from amygdaloid of the trap formation, was also found at Port Warrender.
Quartz crystals, with chalcedony, from nodules in amygdaloid.
Purplish-brown epidote, with small nests or concretions of green epidote and quartz; forming a sort of amygdaloid.
Masses of the two former minerals were also found imbedded in amygdaloid and trap-rock, thus denoting the parent beds of rock.
It is found in connection with isolated blocks of amygdaloid, of primitive greenstone, and of petrosilex.