BELL JAR n.
glass vessel, varying in size, open at the bottom and closed at the top like a bell, and having a knob or handle at the top for lifting it. It is used for a great variety of purposes; as, with the air pump, and for holding gases, also for keeping the dust from articles exposed to view.
BENZOIN n.
stance, dry and brittle, obtained from the Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume.
BEST a.
Having good qualities in the highest degree; most good, kind, desirable, suitable, etc.; most excellent; as, the best man; the best road; the best cloth; the best abilities. When he is best, he is a little worse than a man. Shak. Heaven's last, best gift, my ever new delight. Milton.