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copperhead

(Encyclopedia)copperhead, poisonous snake, Ancistrodon contortrix, of the E United States. Like its close relative, the water moccasin, the copperhead is a member of the pit viper family and detects its warm-bloode...

Dandie Dinmont terrier

(Encyclopedia)Dandie Dinmont terrier dănˈdē dĭnˈmŏnt [key], breed of hardy, long-bodied terrier developed in England and Scotland and first recorded as a distinct type in the very early 18th cent. It stands f...

Girl Scouts

(Encyclopedia)Girl Scouts, recreational and service organization founded (1912) in Savannah, Ga., by Juliette Gordon Low. It was originally modeled after the Boy Scouts (see Scouts) and Girl Guides, organizations c...

English foxhound

(Encyclopedia)English foxhound, breed of medium-sized, swift hound perfected in England in the 17th and 18th cent. It stands from 21 to 25 in. (53.3–63.5 cm) high at the shoulder and weighs from 60 to 70 lb (27.2...

Treisman, Anne

(Encyclopedia)Treisman, Anne, 1935–2018, British cognitive psychologist, b. Anne Marie Taylor, Ph.D. Oxford, 1962. She taught at Oxford from 1968, the Univ. of British Columbia from 1978, Univ. of California, Ber...

bellflower, in botany

(Encyclopedia)bellflower or bluebell, name commonly used as a comprehensive term for members of the Campanulaceae, a family of chiefly herbaceous annuals or perennials of wide distribution, characteristically found...

Pomeranian

(Encyclopedia)Pomeranian pŏmˌərāˈnēən [key], breed of small, sturdy toy dog descended from the sledge dogs of Iceland and Lapland. It stands about 6 in. (15.3 cm) high at the shoulder and weighs from 3 to 7 ...

porphyry, igneous rock

(Encyclopedia)porphyry pôrˈfərē [key], igneous rock composed of large, conspicuous crystals (phenocrysts) and a groundmass in which the phenocrysts are embedded. Some authorities consider the expression “porp...

herbarium

(Encyclopedia)herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of newsprint and dried, ...

indigo

(Encyclopedia)indigo [Span.; from Lat.,=Indian], important blue dyestuff used in printing inks and for vat dyeing of cotton (see dye). It was anciently produced in India and was known in Egypt, probably c.1600 b.c....