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Melchizedek

(Encyclopedia)Melchizedek or Melchisedec both: mĕlkĭzˈədĕk [key] [Heb.,=king of righteousness], in the Bible, king of Salem and “priest of the most high God.” He blessed Abraham after the defeat of Chedorl...

radiochemistry

(Encyclopedia)radiochemistry, chemistry of radioactive substances (see radioactivity). Radioactive isotopes are very useful as tracers to study the mechanisms of complex organic reactions, since even minute amounts...

Genesis

(Encyclopedia)Genesis jĕnˈəsĭs [key], 1st book of the Bible, first of the five books of the Law (the Pentateuch or Torah) ascribed by tradition to Moses. Beginning with two accounts of the creation and of human...

Sara

(Encyclopedia)Sara or Sarah, in the Bible, wife of Abraham and mother of Isaac. With Rebecca, Rachel, and Leah, she was one of the four Hebrew matriarchs. Her name was originally Sarai [Heb.,=princess]. She was chi...

Orbiting Geophysical Observatory

(Encyclopedia)Orbiting Geophysical Observatory (OGO), series of six orbiting observatories (see observatory, orbiting) launched between 1964 and 1969 by the National Aeronautics and Space Administration (NASA) to s...

prospecting

(Encyclopedia)prospecting, search for mineral deposits suitable for mining. Modern prospecting has replaced earlier methods based on chance or superstition (e.g., use of the divining rod) with others based on a sci...

Isaac

(Encyclopedia)Isaac īˈzək [key] [Heb.,=laughter], according to the patriarchal narratives of the Book of Genesis, Isaac was the only son of Abraham and Sara. He married Rebecca, and their sons were Esau and Jaco...

Aben Ezra

(Encyclopedia)Aben Ezra: see Ibn Ezra, Abraham ben Meir. ...

Ben Ezra

(Encyclopedia)Ben Ezra: see Ibn Ezra, Abraham ben Meir. ...

Chesed

(Encyclopedia)Chesed kēˈsĕd [key], in the Bible, nephew of Abraham. ...