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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: R to radiosonde.
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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
R:  A 1  2  3  4  5  6  7  8  9  10  Next > 

R (in linguistics)
Ra (in Egyptian religion)
Ra (chemical symbol)
Raamses (ancient city, ancient region)
Rab (island, Croatia)
Rab-saris (in the Old Testament)
Rába (river, Austria)
Rabat (city, Morocco)
Rabaul (city, Papua New Guinea)
rabbi (in Judaism)
rabbit (mammal)
rabbitbrush (plant)
Rabbith (ancient city)
Rabboni (in Judaism)
rabies (disease, virus)
raccoon (mammal, carnivore)
race (in anthropology)
racer (reptile)
Rachal (ancient city)
Rachel (Bible)
Racibórz (city, Poland)
Racine (city, Wisconsin)
racquetball (in sports)
racquets (in sports)
radar (mechanical device)
radar astronomy (branch of astronomy)
Radcliffe (city, England)
Radford (city, Virginia)
radial velocity (in astronomy)
radiation (in physics, chemistry)
radiator (mechanical device)
radical (in chemistry)
radical (in mathematics)
radio (mechanical device)
radio astronomy (branch of astronomy)
Radio Free Europe (organization, Europe)
radio range (mechanical device)
radioactive isotope (in physics, chemistry)
radioactive waste (in chemistry, ecology)
radioactivity (in chemistry, physics)
radiochemistry (branch of chemistry)
radioimmunoassay (in medicine)
radiology (branch of medicine)
radiometer (instrument)
radiosonde (instrument)