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communicable diseases

(Encyclopedia)communicable diseases, illnesses caused by microorganisms and transmitted from an infected person or animal to another person or animal. Some diseases are passed on by direct or indirect contact with ...

geriatrics

(Encyclopedia)geriatrics jĕrēăˈtrĭks [key], the branch of medicine concerned with conditions and diseases of the aged. Many disabilities in old age are caused by or related to the deterioration of the circulat...

Cardston

(Encyclopedia)Cardston, town, SW Alta., Canada, near the U.S. boundary. It was founded in 1887 by Mormons from Utah under the leadership of Charles Ora Card, son-in-l...

Ymir

(Encyclopedia)Ymir ēˈmĕr [key], in Norse mythology, primeval giant and progenitor of a race of giants. Odin and his brothers slew Ymir; from his skull they fashioned the sky, from his flesh the earth, from his b...

horseshoe crab

(Encyclopedia)horseshoe crab, large, primitive marine arthropod of the family Limulidae, related to the spider and scorpion and sometimes called a king crab (a name also used for the largest of the edible true crab...

anemia

(Encyclopedia)anemia ənēˈmēə [key], condition in which the concentration of hemoglobin in the circulating blood is below normal. Such a condition is caused by a deficient number of erythrocytes (red blood cell...

Issachar

(Encyclopedia)Issachar ĭsˈəkər [key], in the patriarchal narratives of the Bible, son of Jacob and Leah and the ancestor of one of the 12 tribes. The territory allotted to the tribe of Issachar at the time of t...

Zarqa

(Encyclopedia)Zarqa or Zerka both: zärˈkä [key], in the Bible, river, 80 mi (129 km) long, rising in the hills W of Amman, N Jordan, and flowing generally north, then west, to the Jordan River; it is the ancient...

Ziph

(Encyclopedia)Ziph zĭf [key], in the Bible. 1 Judahite. 1 Chron. 4.16. 2 Unidentified city, S ancient Palestine. 3 City, S ancient Palestine, the modern Khirbat Zif, West Bank, SSE of Hebron. David hid at Ziph in ...

Dallas, Alexander James

(Encyclopedia)Dallas, Alexander James dălˈəs [key], 1759–1817, U.S. secretary of the treasury (1814–16), b. Jamaica, West Indies. He went (1783) to Philadelphia, practiced law, and was secretary of state (17...