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Robert II, king of Scotland

(Encyclopedia)Robert II, 1316–90, king of Scotland (1371–90), nephew and successor of David II. He was the first sovereign of the house of Stuart, or Stewart (see Stuart, family), which eventually succeeded to ...

Zeeman effect

(Encyclopedia)Zeeman effect, splitting of a single spectral line (see spectrum) into a group of closely spaced lines when the substance producing the single line is subjected to a uniform magnetic field. The effect...

Joab

(Encyclopedia)Joab jōˈăb [key], in the Bible, son of David's sister Zeruiah and commander of his uncle's armies. A trusted and skillful administrator, he was often vindictive and cruel, as in his killing of Abne...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

Aceldama

(Encyclopedia)Aceldama əkĕlˈdəmə [key] [Aram.,=field of blood], according to the Gospel of St. Matthew, the chief priests bought the potter's field with Judas' 30 pieces of silver as a place to bury foreigners...

Absalom

(Encyclopedia)Absalom ăbˈsəlŏm [key], in the Bible, son of David. He murdered his half-brother Amnon for the rape of their sister Tamar, and fled. No sooner was he reconciled with his father than he incited a r...

Jeiel

(Encyclopedia)Jeiel jēīˈĕl [key], in the Bible. 1 Levite under David. 2 Musician of David. 3 Ancestor of Jahaziel (2.) 4 Scribe of Uzziah. 5 Levite of Hezekiah. 6 Levite of Josiah. 7 Companion of Ezra. ...

Ahimelech

(Encyclopedia)Ahimelech əhĭmˈəlĕk [key], in the Bible. 1 Priest at Nob, brother of, or perhaps the same as, Ahijah (2.) He befriended David, and Saul had him killed. In some passages his name is reversed with ...

Hall effect

(Encyclopedia)Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic field, a voltage dif...

peace congresses

(Encyclopedia)peace congresses, multinational meetings to achieve or preserve peace and to prevent wars. Although philosophical and religious pacifism is almost as old as war itself, organized efforts to outlaw war...