amygdaloid 的 2 个定义
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.
Also a·myg·da·loi·dal.
- containing amygdules.
- almond-shaped.
- Anatomy. of or relating to an amygdala.
更多amygdaloid例句
- 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.