Astrum ex igne, is a burning Fire of great impression.
Athanor, or Athanar is a furnace in the spagirical Art, but especially a reverberatory, sometimes of other use as the artificer pleaseth.
Attractiva are called magnetick medicaments, which have a power to draw to them such things as are compounded of the like attractives.
Attramentum signifies divers things according to the adjective that is put to it: as that which Shoomakers use, is Copperis, such as is red within: that which Writers use, is called inke, sooty, and it is called blacking, also all kinds of Copperis.
Augurista is called a superstitious Artist who practiseth his Art in Looking-glasses, Chrystalls, and in Waters, especially in the singing, and flying of birds, that he may presage by them; he also observes other rites for the same cause.
Aurum planatum is that which they call Leafe Gold, or malleated Gold.
Aurum potabile is liquor of Gold, without any Corrosive, which very few know, yea of those who daily prepare it rather to the destruction, then health of men.
Aurum vitæ is precipitated Gold, and reverberated into the highest degree of rednesse, like ground Cinnabar. That is the best which is made, and precipitated with its proper Mercury.
Aurum vivum is sometimes taken for Quicksilver.
Austromantia is a certain kind of superstition invented, concerning the observation of Winds, as when the stars of the Winds break forth into great vehemency, contrary to their custome, whence men that are more idle then rationall, pronounce a presage of something to come.