Category Contains the number of abbreviations
Academic Degrees1631
Alumni395
Amateur Radio841
Anthropology40
Archaeology160
Architecture1622
Astronomy966
Atmosphere108
Biology1086
Biotechnology181
Botany737
British Degree187
Campus281
Chemistry3552
Climate324
Colleges3945
Ecology176
Economics120
Electronics7711
Engineering1722
Genealogy401
Geography156
Geology1063
Hydrology85
IEEE920
Language & Literature2075
Libraries3010
Linguistics117
Literacy312
Mathematics3111
Mechanics328
Meteorology1753
Nuclear221
Ocean Science3314
Optics104
Physics2970
Psychology866
Research5334
Robotics178
Societies11516
Sociology103
Statistics271
Students2959
Universities14390
Zoology77
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