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• Oribe,
Manuel
• oribi
• oriel
•
Orientale
• orientation
• Origen
•
original sin
•
Orillia
• Orinoco
• oriole
•
Orion, in Greek mythology
•
Orion, in astronomy
•
Orion Nebula
•
Orissa
• Oriya
• Orizaba, city, Mexico
• Orizaba, mountain,
Mexico
• Orkhan
• Orkhon
•
Orkney Islands
•
Orlando, Italian form of Roland
•
Orlando, Vittorio Emanuele
•
Orlando, city, United States
•
Orleanais
• Orleans,
French royal family
• Orleans,
Charles, duc d'
• Orleans,
Gaston, duc d'
• Orleans,
Henrietta Anne, duchesse d'
• Orleans,
Henri Philippe Marie, prince d'
• Orleans,
Louis, duc d'
• Orleans,
Louis Philippe Joseph, duc d'
• Orleans,
city, France
• Orleans,
Ile d'
• Orley,
Bernard van
• Orlon
• Orlov, Aleksey
Grigoryevich, Count
• Orlov,
Grigori Grigoryevich, Count
• Orly
• Ormandy, Eugene
• Ormazd
•
Ormerod, Eleanor Anne
•
ormolu
• Ormond
Beach
• Ormonde,
James Butler, 12th earl and 1st duke of
• Ormonde,
James Butler, 2d duke of
• Ormonde,
James Butler, 5th earl of
• Ormonde,
Thomas Butler, 10th earl of
• Ormskirk
• Ormulum
•
Ormuz
• Ormuzd
• ornament, in
architecture
• ornament,
in music
• Ornan
• Orne
•
ornithopter
•
Oromo
• Oromocto
• Oronsay
•
Orontes
• Orosius,
Paulus
• Oroville
Dam
• Orozco,
Jose Clemente
• Orpah
• Orpen, Sir William
• orphan
•
orphan drug
•
orphan trains
•
Orpheus
• Orphic
Mysteries
• orphism
• orpine
•
Orr, Bobby
•
Orr, James Lawrence
•
Orrefors
• Orrery,
Charles Boyle, 4th earl of
• Orrery,
Roger Boyle, 1st earl of
• orrisroot
• Orrmulum
•
Orrum, Eilley
•
Ors, Eugenio d'
•
Orsay, Alfred Guillaume Gabriel, count
d'
• Orsha
•
Orsini
• Orsini,
Felice
• Orsk
• Ortega Saavedra,
Daniel
• Ortega
y Gasset, Jose
• Ortelius,
Abraham
• orthoclase
feldspar
• orthodontics
• Orthodox Eastern
Church
• orthopedics
• Ortles
•
Orton, Joe
•
Ortona
• Ortygia
• Oruro
•
Orvieto
• Orwell,
George
• oryx
• Os
•
Osage, indigenous people of North America
• Osage, river, United
States
• Osage
orange
• Osaka
• O Salutaris Hostia
• Osama bin Laden
• Osawatomie
• Osborn, Henry Fairfield
• Osborne, Dorothy
• Osborne, John
• Osborne, Thomas
Burr
• Osborne,
Thomas Mott
• Osborne
House
• Oscan
• Oscar I
•
Oscar II
• Osceola
• oscillator, electronic
• oscilloscope
• Osee
•
Osel
• Osgood,
Herbert Levi
• Osh
• O'Shaughnessy,
Arthur William Edgar
• Oshawa
• Oshea
•
O-shima
• Oshkosh
• Oshogbo
•
Osiander, Andreas
•
osier
• Osijek
• Osipenko
• Osiris
•
Oskaloosa
• Oskarshamn
• Oskemen
•
Osler, Sir William
•
Oslo
• Osman
• Osman I
•
Osman Nuri Pasha
•
Osmena, Sergio
•
osmium
• osmosis
• Osnabruck
•
Osnappar
•
Osorio, Oscar
•
Osorno
• osprey
• Osroene
•
Oss
• Ossa
• Ossetia
•
Ossetian Military Road
•
Ossian
• Ossietzky,
Carl von
• Ossining
• Ossoli, Marchesa
• Ossory, Thomas
Butler, earl of
• Ossory
• Ostade, Adriaen
van
• Ostend
• Ostend Manifesto
• osteomyelitis
• osteopathy
• osteoporosis
• Osterman, Andrei
Ivanovich, Count
• Ostersund
• Ostfold
•
Ostia
• ostinato
• ostracism
•
Ostrava
• ostrich
• Ostrogoths
• Ostroleka
•
Ostrovsky, Aleksandr Nikolayevich
• Ostwald, Wilhelm
• O'Sullivan, Timothy
H.
• O'Sullivan
Dam
• Osuna,
Pedro Tellez Giron, duque de
• Oswald,
Saint
• Oswald,
Lee Harvey
• Oswego,
city, United States
• Oswego,
river, United States
• Oswego
tea
• Oswestry
• Oswiecim
•
Oswy
• Otaru
• Otfried von Weissenburg
• Othman
•
Othman I
• Othniel
• Otho
•
Otho, Marcus Salvius
•
Otis, Bass
•
Otis, Elisha Graves
•
Otis, Harrison Gray, 1765–1848, American
political leader
• Otis,
Harrison Gray, 1837–1917, American soldier and journalist
•
Otis, James
•
Oto
• Otomi
• otosclerosis
• Otranto
•
Otsego Lake
•
Otsu
• ottava
rima
• Ottawa,
indigenous people of North America
• Ottawa,
city, Canada
• Ottawa,
cities, United States
• Ottawa,
river, Canada
• Ottawa,
University of
• otter
• Otter, Peaks of
• Otterbein, Philip
William
• Otterburn
• otterhound
• Otto I, Holy Roman
emperor
• Otto
II, Holy Roman emperor
• Otto
III, Holy Roman emperor
• Otto
IV, Holy Roman emperor
• Otto
I, king of Bavaria
• Otto
I, king of Greece
• Otto,
Austrian archduke
• Otto,
Frei
• Otto,
Nikolaus August
• Ottocar
I
• Ottocar II
• Ottoman Empire
• Ottonian art
• Otto of Freising
• Otto the Great
• Ottumwa
•
Otus
• Otway,
Thomas
• Otztal
Alps
• ouabain
• Ouachita
•
Ouachita Mountains
•
Ouagadougou
•
ouakari
• Ouargla
• Ouchy
•
Oud, Jacobus Johannes Pieter
•
Oudenaarde
•
Oudh, historic region, India
•
Oudh, town, India
•
Oudinot, Nicolas Charles
•
Oudjda
• Oudry,
Jean Baptiste
• Ouessant
• Ouezzane
•
Ougree
• Ouida
• Ouidah
•
Oujda
• Oulu
• ounce, in zoology
• ounce, unit of
measurement
• Ourense
• Our Father
• Ourique
•
Ouro Preto
•
Ourthe
• Ouse
• Ousmane, Sembene
• Outer Barrier
• Outer Hebrides
• Outer Mongolia
• outer space
• outrigger
•
Ouwe, Hartmann von
•
ovalbumin
•
ovary
• ovenbird
• Overbeck, Johann
Friedrich
• Overbury,
Sir Thomas
• Overijssel
• Overland Park
• Overland Trail
• Overmountain
Victory National Historic Trail
• over-the-counter
• overture
•
Ovid
• oviduct
• Oviedo
•
Ovoca
• ovolo
• ovum
•
Owain Glyndwr
•
Owain Gwynedd
•
Owatonna
• Owen,
John
• Owen,
Sir Richard
• Owen,
Robert
• Owen,
Robert Dale
• Owen,
Wilfred
• Owen
Falls
• Owen
Glendower
• Owens,
Jesse
• Owens
• Owensboro
•
Owen Sound
•
Owen Stanley Range
•
OWI
• owl
• Owl and the Nightingale,
The
• Owo
•
Owosso
• Owyhee
• ox
•
oxalic acid
•
oxalis
• Oxenstierna,
Count Axel Gustafsson
• oxeye
• Oxford, Edward
de Vere, 17th earl of
• Oxford,
Robert Harley, 1st earl of
• Oxford,
city, England
• Oxford,
cities, United States
• Oxford,
Provisions of
• Oxford
and Asquith, Herbert Henry Asquith, 1st earl of
• Oxford
Group
• Oxford
movement
• Oxford
sheep
• Oxfordshire
• Oxford University
• oxidases
•
oxidation and reduction
•
oxidation number
•
oxidative phosphorylation
•
oxide
• Oxnam,
Garfield Bromley
• Oxnard
• Oxon
•
oxpecker
• Oxus
• oxyacetylene torch
• oxygen
•
oxygen tent
•
oxy group
• oxytocin
• Oyama, Iwao
• Oyo
•
Oyono, Ferdinand Leopold
•
oyster
• Oyster
Bay
• oyster
catcher
• oyster
plant
• Oz, Amos
• Ozaki, Yukio
• Ozanam, Antoine
Frederic
• Ozark
• Ozark Mountains
• Ozark National
Scenic Riverways
• Ozarks,
Lake of the
• Ozarks,
the
• Ozawa,
Seiji
• Ozd
•
Ozenfant, Amedee
•
Ozias
• Ozick,
Cynthia
• Ozni
• ozone
•
ozone layer
The Columbia Electronic Encyclopedia Copyright © 2009, Columbia
University Press.
Licensed from Columbia University Press. All rights reserved.
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