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Henry's law

(Encyclopedia)Henry's law, chemical law stating that the amount of a gas that dissolves in a liquid is proportional to the partial pressure of the gas over the liquid, provided no chemical reaction takes place betw...

Bulgarian literature

(Encyclopedia)Bulgarian literature. For early ecclesiastical writings, see Church Slavonic. Modern Bulgarian literature stems from the work of Father Paisi, who in 1762 began his history of the Slav Bulgarians. The...

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...

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 ...

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...

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...

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...

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...

Newtown

(Encyclopedia)Newtown, town (1990 pop. 20,779), Fairfield co., SW Conn., on the Housatonic; inc. 1711. Pressure gauges, plastics, and paper and metal products are made, and dairy and fruit farms are in the area. In...

colligative properties

(Encyclopedia)colligative properties, properties of a solution that depend on the number of solute particles present but not on the chemical properties of the solute. Colligative properties of a solution include fr...