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pennyroyal

(Encyclopedia)pennyroyal, name for two similar plants of the family Labiatae (mint family), usually distinguished as true, or European, pennyroyal (Mentha pulegium) and American, or mock, pennyroyal (Hedeoma pulegi...

Ulan-Ude

(Encyclopedia)Ulan-Ude o͞olänˌ-o͞odĕˈ [key], city (1989 pop. 353,000), capital of the Buryat Republic, SE Siberian Russia, on the Selenga River near its confluence with the Uda. A major transportation hub, it...

tannin

(Encyclopedia)tannin, tannic acid, or gallotannic acid, astringent vegetable product found in a wide variety of plants. Sources include the bark of oak, hemlock, chestnut, and mangrove; the leaves of certain sumac...

tansy

(Encyclopedia)tansy tănˈzē [key], perennial herb (Tanacetum vulgare) of the family Asteraceae (aster family), native to Europe but naturalized in North America. It was long cultivated for its ornamental foliage ...

Dodoma

(Encyclopedia)Dodoma dōˈdəmä [key], municipality (2021 pop. 292,637), capital of Tanzania, central Tanz...

Kellogg, John Harvey

(Encyclopedia)Kellogg, John Harvey, 1852–1943, American physician, health-food advocate, and breakfast cereal developer, b. Tyrone, N.Y., grad. New York Univ. (M.D., 1875) and continued his medical studies in Eur...

Hepplewhite, George

(Encyclopedia)Hepplewhite, George hĕpˈəlhwīt [key], d. 1786, English cabinetmaker and furniture designer. His style is characterized by light, curvilinear forms, painted or inlaid decoration, and distinctive de...

Kollam

(Encyclopedia)Kollam kwēˈlôn [key], city (1991 pop. 362,572), Kerala state, SW India, on the Arabian Sea. It is a market for coconut products, spices, tea, coffee, and rice. Mineral processing and other manufact...

gallic acid

(Encyclopedia)gallic acid or 3,4,5-trihydroxybenzoic acid trīˌhīdrŏkˈsēbĕnzōˈĭk [key], C6H2(OH)3CO2H, colorless crystalline organic acid found in gallnuts, sumach, tea leaves, oak bark, and many other pla...

Tuke, William

(Encyclopedia)Tuke, William, 1732–1822, English merchant and philanthropist. He succeeded at an early age to the family business at York in wholesale tea and coffee. He is remembered as the chief founder of the Y...