AMYGDALOID n.
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.
AMYLIC a.
Pertaining to, or derived from, amyl; as, amylic ether. Amylic alcohol (Chem.), one of the series of alcohols, a transparent, colorless liquid, having a peculiar odor. It is the hydroxide of amyl. -- Amylic fermentation (Chem.), a process of fermentation in starch or sugar in which amylic alcohol is produced. Gregory.…