(sl vyänsk´) (KEY) , city (1989 pop. 135,000), E Ukraine, in the Donets Basin. It is a railroad junction and has salt and soda works. Manufactures i...
or Symeon (both: s m´ n) (KEY) , in the Bible. 1 Second son of Jacob and Leah and ancestor of the southernmost tribe of Israel. He and his tribe are...
(Claudius Ptolemaeus), fl. 2d cent. A.D., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria ...
visible gaseous product of incomplete combustion. Smoke varies with its source, but it usually comprises hot gas and suspended particles of carbon and...