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cochineal

(Encyclopedia)cochineal kŏchĭnēlˈ, kŏchˈĭnēl [key], natural dye obtained from an extract of the bodies of the females of the cochineal bug (Dactylopius confusus) found on certain species of cactus, especial...

Belleville, cities, United States

(Encyclopedia)Belleville. 1 City (2020 pop. 42,404), seat of St. Clair co., SW Ill.; inc. 1819. Located in a coal-mining area, Belleville also has farm-related ...

hydrolysis

(Encyclopedia)hydrolysis hīdrŏlˈĭsĭs [key], chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs when a salt of a weak ...

Stevens

(Encyclopedia)Stevens, family of U.S. inventors. John Stevens, 1749–1838, b. New York City, was graduated from King's College (now Columbia Univ.) in 1768. He studied law (1768–71) and soon joined his father, a...

Douglas, Sir Howard

(Encyclopedia)Douglas, Sir Howard, 1776–1861, British general and colonial administrator. He was a distinguished teacher of military strategy and an important authority on military and naval engineering. After a ...

croup

(Encyclopedia)croup kro͞op [key], acute obstructive laryngitis in young children, usually between the ages of three and six. The manifestations are a high-pitched cough and difficulty in breathing, owing to a spas...

Herreshoff, John Brown

(Encyclopedia)Herreshoff, John Brown hĕrˈəs-hŏf [key], 1841–1915, American yacht and ship builder. Though totally blind from the time he was 15, he managed his own sail-boat building company until his brother...

Greenock

(Encyclopedia)Greenock grēnˈək, grĭnˈ–, grĕnˈ– [key], city, Inverclyde, W Scotland, on t...

Khorramshahr

(Encyclopedia)Khorramshahr khōrämˌshäˈhər [key], city (1991 pop. 34,750), Khuzestan prov., SW Iran, at the confluence of the Karun River and the Shatt al Arab, near the Persian Gulf. It is a busy port. Its de...

Lovelace, Ada

(Encyclopedia)Lovelace, Ada (Augusta Ada King-Noel, Countess of Lovelace), 1815–1852, English mathematician, b. London as Augusta Ada Byron. The daughter of the poet Lord Byron and Anne Isabella Milbanke, she was...