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physiology

(Encyclopedia)physiology fĭzēŏlˈəjē [key], study of the normal functioning of animals and plants during life and of the activities by which life is maintained and transmitted. It is based fundamentally on the...

Chaudière

(Encyclopedia)Chaudière shōdyĕrˈ [key], river, 115 mi (185 km) long, rising in Lac Mégantic, SE Que., Canada, near the Maine-Que. boundary and flowing generally N to the St. Lawrence River opposite the city of...

Motala

(Encyclopedia)Motala mo͞oˈtäˌlä [key], city (1990 pop. 29,630), Östergötland co., S Sweden, on Lake Vättern and on the Göta Canal. It is an important lake port and an industrial center. Manufactures includ...

Avon Lake

(Encyclopedia)Avon Lake āˈvän [key], city (2020 pop. 25,206), Lorain co., NE Ohio, on Lake Erie; inc. 1917. It is chiefly a residential suburb of the Cleveland–NE Ohio industrial a...

McAlester

(Encyclopedia)McAlester məkălˈĭstər [key], city (1990 pop. 16,370), seat of Pittsburg co., SE Okla.; inc. 1899. A former coal-mining and farming community, McAlester has become a regional distribution center w...

bur

(Encyclopedia)bur or burr, popular name for fruits that have barbed, pointed, or rough outgrowths. By clinging to the fur or hair of animals and the clothing of man they are transported from the parent plant, often...

will-o'-the-wisp

(Encyclopedia)will-o'-the-wisp, phenomenon known also as ignis fatuus and jack-o'-lantern. It is seen at night as a pale, flickering light over marshland. There is no generally accepted explanation for it; it may r...

Sierre

(Encyclopedia)Sierre syĕr [key], Ger. Siders, town (1990 pop. 14,143), Valais canton, S Switzerland, on the Rhône River. A market town, it is the center of a rich horticultural region. There is a large aluminum p...

essential oils

(Encyclopedia)essential oils, volatile oils that occur in plants and in general give to the plants their characteristic odors, flavors, or other such properties. Essential oils are found in various parts of the pla...

Eichler, August Wilhelm

(Encyclopedia)Eichler, August Wilhelm ouˈgo͝ost vĭlˈhĕlm īkhˈlər [key], 1839–87, German botanist. He worked out the symmetry of the parts of a flower and developed a system of plant classification which, ...