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Columbia Encyclopedia

Columbia Electronic Encyclopedia, published by Columbia University Press
The Columbia Electronic Encyclopedia contains entries on people, places, events, historical facts and terms, with bibliographies for further reading.
On this page: Ougrée to oxyacetylene torch.
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Title Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
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Ougrée (city, Belgium)
Ouidah (city, Benin)
Oujda (city, Morocco)
Oulu (city, Finland)
Ourense (city, Spain)
Ourique (city, Portugal)
Ouro Prêto (city, Brazil)
Ourthe (river, Belgium)
Ouse (Great Ouse)
Outer Banks (island group, North Carolina)
Outer Barrier (geographical area, New York)
outrigger (vessel)
ovary (in anatomy)
ovenbird (bird)
over-the-counter (in economics)
Overijssel (province, the Netherlands)
Overland Park (city, Kansas)
Overland Trail (road, United States)
overture (in music)
Oviedo (city, Spain)
ovum (in biology)
Owatonna (city, Minnesota)
Owen Falls (waterfall, Uganda)
Owen Sound (city, Canada)
Owen Stanley Range (mountains, Papua New Guinea)
Owens (river, California)
Owensboro (city, Kentucky)
owl (bird)
Owl and the Nightingale, The (poetry, literature, England)
Owo (city, Nigeria)
Owosso (city, Michigan)
Owyhee (river, Idaho/Nevada/Oregon)
oxalic acid (in chemistry)
oxalis (plant, herb)
oxeye (plant, flower)
Oxford (city, England)
Oxford (city, Massachusetts)
Oxford (city, Mississippi)
Oxford (city, Ohio)
Oxford movement (Protestantism, England)
Oxford sheep (mammal)
Oxford, University of (university, England)
Oxfordshire (county, England)
oxidases (in biology, chemistry)
oxidation and reduction (in chemistry, biology)
oxide (in chemistry)
Oxnard (city, California)
oxpecker (bird)
oxy group (in chemistry)
oxyacetylene torch (mechanical device)