BELL JAR n.
A 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.
BERLIN n.
fancy-work; zephyr worsted; -- called also Berlin wool. Berlin black, a black varnish, drying with almost a dead surface; -- used for coating the better kinds of ironware. Ure. -- Berlin blue, Prussian blue. Ure. -- Berlin green, a complex cyanide of iron, used as a green dye, and similar to Prussian blue. -- Berli…
BINARY a.
scale, or in which two figures only, 0 and 1, are used, in lieu of ten; the cipher multiplying everything by two, as in common arithmetic by ten. Thus, 1 is one; 10 is two; 11 is three; 100 is four, etc. Davies & Peck. -- Binary compound (Chem.), a compound of two elements, or of an element and a compound performing t…