| Ba |
symbol of the chemical element barium. |
| barium |
a chemical element of the alkaline-earth group that has fifty-seven protons in each nucleus and that is usu. found in compounds such as salts. (symbol: Ba) [1/2 definitions] |
| Be |
symbol of the chemical element beryllium. |
| berkelium |
a radioactive synthetic metal element of the actinide series that has ninety-seven protons in each nucleus. (symbol: Bk) |
| beryllium |
a chemical element of the alkaline-earth group that has four protons in each nucleus and occurs in pure form as a hard, light, gray solid, chiefly used in alloys with copper and in aerospace material. (symbol: Be) |
| Bi |
symbol of the chemical element bismuth. |
| Big Ben |
this clock or tower, esp. as a symbol of England. [1/2 definitions] |
| bismuth |
a chemical element that has eighty-three protons in each nucleus and is a white brittle crystalline metal with very low thermal and electrical conductivity, used chiefly in alloys and medicines. (symbol: Bi) |
| Bk |
symbol of the chemical element berkelium. |
| black belt |
the black sash symbolizing this rank, or the person to whom this symbol has been awarded. [1/3 definitions] |
| boron |
a chemical element that has five protons in each nucleus and that occurs naturally only in compounds such as boric acid and borax. (symbol: B) |
| Br |
symbol of the chemical element bromine. |
| branding iron |
a long-handled metal implement, usu. with a stamp or symbol at the end, that is heated and pressed against a surface, esp. the skin of a cow, to make a burn of a particular shape for identification. |
| Broadway |
this street as representing the theater district of New York City, or considered as a symbol of the center or apex of the U.S. theater industry. [1/2 definitions] |
| bromine |
a chemical element of the halogen group that has thirty-five protons in each nucleus, occurring as a toxic, volatile, dark reddish brown liquid or in various compounds such as acids and salts. (symbol: Br) |
| bulleted |
marked by a bullet symbol or symbols. |
| button |
a small, round symbol on a computer screen or electronically-active page that allows one to activate a program. [1/7 definitions] |
| C2 |
symbol of the chemical element carbon. |
| Ca |
symbol of the chemical element calcium. |
| cadmium |
a chemical element that has forty-eight protons in each nucleus and occurs in various compounds or in pure form as a soft bluish white metal. (symbol: Cd) |
| caduceus |
a representation of this staff, used as the symbol of the medical profession. [1/2 definitions] |