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Engler, Adolf

(Encyclopedia)Engler, Adolf äˈdôlf ĕngˈlər [key], 1844–1930, German botanist. He emphasized the importance of geological history in the study of plant geography, and worked out an influential system of plan...

halo, in meteorology

(Encyclopedia)halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo occurs when the...

Cratinus

(Encyclopedia)Cratinus krətīˈnəs [key], d. c.419 b.c., Athenian comic dramatist. He won the prize at the Athenian drama contest when Aristophanes competed with The Clouds and was regarded with Aristophanes and ...

Linnaeus, Carolus

(Encyclopedia)Linnaeus, Carolus kärōˈləs lĭnāˈəs [key], 1707–78, Swedish botanist and taxonomist, considered the founder of the binomial system of nomenclature and the originator of modern scientific clas...

Kalidasa

(Encyclopedia)Kalidasa käˌlĭdäˈsə [key], fl. 5th cent.?, Indian dramatist and poet. He is regarded as the greatest figure in classical Sanskrit literature. Except that he was retained by the Gupta court, no f...

Engel, Marian

(Encyclopedia)Engel, Marian, 1933–85, Canadian novelist. Widely considered one of Canada's major modern writers, she is particularly noted for work reflecting a strongly feminist approach. Engel's best-known nove...

Calbuco

(Encyclopedia)Calbuco, active volcano, 6,570 ft (2,003 m), Llanquihue prov., S central Chile, in the Andes on SE shore of Lake Llanquihue, 20 mi (32 km) NE of Puerto Montt. An explosive stratovolcano, Calbuco under...

Hagen, Johannes Georg

(Encyclopedia)Hagen, Johannes Georg yōhäˈnəs gāˈôrk häˈgən [key], 1847–1930, American astronomer and mathematician, b. Austria. A Jesuit, he came in 1880 to the United States to teach. In 1888 he was ma...

taxon

(Encyclopedia)taxon (pl. taxa), in biology, a term used to denote any group or rank in the classification of organisms, e.g., class, order, family. ...

systematics

(Encyclopedia)systematics: see classification. ...