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English thesaurus  
Subject Number of entries
Abbreviation 847.506
Accounting 1.086
Acupuncture 1
Additive manufacturing & 3D printing 3
Administrative geography 5
Advertising 12
Aeronautics 629
Affectionate 1
Africa 2
African 2
Agriculture 1.096
Agrochemistry 3
AIDS 3
Air conditioners 4
Airports and air traffic control 4.197
Airships 1
Alternative dispute resolution 24
Aluminium industry 3
Amateur radio service 3
American  usage, not spelling 94
American English  spelling 7
American stock exchange 603
Ammunition 2
Amphibians and reptiles 1
Analytical chemistry 1
Anatomy 70
Anesthesiology 3
Animal husbandry 4
Animation and animated films 3
Antarctic 1
Antennas and waveguides 38
Apollo-Soyuz 139
Applied mathematics 1
Arabic language 2
Archaeology 13
Archaic 43
Architecture 40
Armored vehicles 2
Art 11
Artificial intelligence 74
Astringents 1
Astronautics 182
Astronomy 276
Astrophysics 28
Astrospectroscopy 1
Audit 3
Australia 4
Australian 79
Automated equipment 165
Automatic control 9
Automobiles 132
Aviation 1.801
Bacteriology 1
Bakery 1
Ballet 1
Banking 88
Baseball 5
Basketball 5
Beekeeping 1
Beverages 6
Bible 7
Biochemistry 349
Biology 305
Biometry 2
Biophysics 3
Biotechnology 49
Black slang / African-American Vernacular 29
Bookish / literary 12
Botany 242
Boxing 2
Brewery 11
Bridge  card game 3
British  usage, not spelling 61
British English  spelling 8
Buddhism 1
Building materials 19
Building structures 2
Business style 21
Business 4.621
Cables and cable production 31
Canada 62
Canadian 1
Card games 8
Cardiology 169
Cartography 267
Caspian 29
Catholic 1
Cement 13
Ceramics 8
Charities 1
Chat and Internet slang 1.747
Chemical compounds 8
Chemical industry 4
Chemistry 2.163
Chess 76
Childish 3
China 3
Chinese 2
Christianity 4
Chromatography 18
Cinematography 689
Circus 1
Civil law 4
Clerical 5
Cliche / convention 3
Climatology 3
Clinical trial 81
Clothing 10
Coal 8
Cockney rhyming slang 52
Collective 9
College vernacular 7
Colloid chemistry 1
Combustion gas turbines 6
Comics 8
Commerce 43
Common law  Anglo-Saxon legal system 8
Communications 164
Company name 1
Computer games 17
Computer graphics 7
Computer networks 2.435
Computer security 4
Computer tomography 1
Computers 6.032
Computing slang 3
Concrete 1
Confectionery 1
Construction 284
Consulting 1
Contemptuous 9
Contextual meaning 7
Contracts 4
Cooking 39
Copyright 26
Corporate governance 11
Cosmetics and cosmetology 7
Court  law 12
Criminal jargon 1
Criminal law 9
Cryptography 32
Crystallography 1
Cultural studies 6
Customs 16
Cycle sport 1
Cycling  other than sport 18
Cyprus 3
Cytology 20
Data processing 11
Databases 272
Demography 2
Dental implantology 30
Dentistry 234
Dermatology 10
Derogatory 3
Dialectal 18
Dietology 5
Digital currencies, cryptocurrencies, blockchain 28
Diminutive 1
Diplomacy 15
Disapproving 22
Diseases 9
Dog breeding 20
Drawing 2
Drilling 129
Drives 3
Drug name 14
Drug-related slang 48
Drugs and addiction medicine 1
Dutch 1
E-mail 1
Earth sciences 82
Eastern Orthodoxy 2
Ecology 2.329
Econometrics 1
Economy 485
Education 4.160
Elections 5
Electric machinery 2
Electrical engineering 215
Electricity generation 1
Electricity 2
Electrochemistry 25
Electronic commerce 12
Electronics 3.579
Electrophoresis 2
Embryology 1
Emergency medical care 4
Emphatic 2
Employment 1
Endocrinology 2
Energy industry 8.522
Energy system 46
Engineering 5
Engines 11
English 7
Entomology 7
Environment 59
Epidemiology 1
Equestrian sports 4
Ethnography 1
Euphemistic 36
European Bank for Reconstruction and Development 18
European Union 186
Exclamation 5
Explanatory translation 1
Explosives and Explosive Ordnance Disposal 11
Fairy tales 3
Fantasy and science fiction 337
Fashion 4
Federal Bureau of Investigation 264
Fencing 1
Fertilizers 1
Fiber optic 2
Figurative 92
Figure of speech 12
File extension 370
Film processing 1
Filming equipment 1
Finances 262
Firefighting and fire-control systems 11
Fish farming  pisciculture 625
Fishery  fishing industry 10
Floriculture 2
Folklore 1
Food industry 1.181
Football 15
Footwear 5
Foreign affairs 3
Foreign trade 2
Forensic medicine 4
Forensics 9
Forestry 61
Formal 6
French 23
Furniture 5
Gaelic 1
Gambling 5
Gas processing plants 52
Gastroenterology 1
Gemmology 1
Genealogy 5
General 3.852
Genetic engineering 12
Genetics 153
Geochemistry 1
Geochronology 80
Geography 208
Geology 1.419
Geophysics 68
German 10
Germany 1
Glass production 1
Gold mining 80
Golf 1
GOST 1
Government, administration and public services 5
Grammar 88
Greek and Roman mythology 1
Groceries 2
Gymnastics 2
Gynecology 10
Gyroscopes 1
Hacking 11
Hairdressing 2
Handicraft 3
Health care 114
Heating 4
Hebrew 17
Helicopters 1
Hematology 50
Heraldry 1
Hi-Fi 17
High energy physics 5
High frequency electronics 2
Hindi 2
Histology 3
Historical 43
Hobbies and pastimes 418
Hong Kong 1
Horse breeding 1
Horticulture 6
Hotel industry 14
Household appliances 2
Human resources 2
Human rights activism 6
Humorous / Jocular 3.394
Hunting 3
Hydraulics 1
Hydroelectric power stations 2
Hydrography 3
Hydrology 24
Hydromechanics 2
Ice formation 1
Ice hockey 2
Ichthyology 49
Identification systems 3
Idiomatic 384
Iimitative  onomatopoeic 5
Immigration and citizenship 2
Immunology 649
India 12
Industry 127
Informal 832
Information security and data protection 21
Information technology 11.514
Inheritance law 1
Inorganic chemistry 2
Insurance 849
Integrated circuits 1
Intelligence and security services 15
International law 6
International Monetary Fund 1
International relations 8
International trade 644
International transportation 285
Internet 146
Invective 6
Investment 986
Irish 6
Ironical 11
Islam 10
Italian 1
Jamaican English 17
Japanese language 5
Jargon 52
Jet engines 1
Jewelry 567
Journalism  terminology 9
Judo 1
Karachaganak 8
Labor law 7
Labor organization 3
Laboratory equipment 11
Lasers 3
Latin American slang 1
Latin 564
Law enforcement 5
Law 8.280
Lean production 1
Legal entity types  business legal structures 18
Legal theory / Jurisprudence 1
Level measurement 3
LGBT 2
Librarianship 223
Life sciences 135
Linguistics 61
Literally 23
Literature 1.001
Loading equipment 3
Local name 2
Logic 1
Logistics 25
Low register 3
Machine components 1
Machinery and mechanisms 7
Magnetic tomography 6
Makarov 11
Mammals 61
Management 26
Manga 4
Maori 3
Maritime law & Law of the Sea 4
Marketing 38
Mass media 3.667
Material safety data sheet 1
Materials science 38
Mathematics 868
Meaning 1 3
Meaning 2 6
Measuring instruments 27
Meat processing 1
Mechanic engineering 45
Mechanics 10
Medical appliances 23
Medical 3.011
Mental health 1
Merchant navy 1
Metal science 4
Metallurgy 309
Meteorology 1.783
Metrology 318
Microbiology 19
Microelectronics 33
Microscopy 6
Microsoft 891
Military aviation 20
Military lingo 165
Military 71.889
Milk production 82
Mineral processing 16
Mineral products 10
Mineralogy 17
Mining 525
Missiles 12
Misused 148
Mobile and cellular communications 4
Modern use 25
Molecular biology 27
Molecular genetics 19
Money & world curencies 2
Motorcycles 4
Mountaineering 1
Multimedia 4
Municipal planning 1
Museums 188
Music 856
Musical instruments 14
Mycology 2
Mythology 4
Names and surnames 1.052
Nanotechnology 10
NASA 2.113
NASDAQ 6.252
NATO 10
Natural resourses and wildlife conservation 308
Natural sciences 435
Nautical 327
Navigation 5
Navy 29
Neologism 11
Nephrology 4
Netherlands 1
Neural networks 11
Neurology 27
New York Stock Exchange 2.748
Non-destructive testing 1
Non-governmental organizations 4.001
Nonstandard 26
North American  USA and Canada 11
Notarial practice 4
Nuclear and fusion power 219
Nuclear physics 257
Nursing 1
Obsolete / dated 148
Obstetrics 6
Occupational health & safety 12
Oceanography & oceanology 2.028
Office equipment 6
Officialese 7
Offshore companies 3
Oil / petroleum 335
Oil and gas technology 218
Oil and gas 2.508
Oil processing plants 84
Oilfields 10
Oils and lubricants 1
Old orthography 1
Old-fashioned or obsolescent 3
Oncology 488
Operation systems 13
Ophthalmology 35
Optics  branch of physics 87
Organic chemistry 13
Oriental 1
Ornithology 8
Orthopedics 6
Packaging 3
Paint, varnish and lacquer 1
Painting 1
Paleontology 9
Parasitology 1
Patents 9
Pathology 9
Pedagogics 2
Pejorative 1
Penitentiary system 3
Perfume 5
Personal protective equipment 2
Pharmacology 67
Pharmacy and pharmacology 128
Philately / stamp collecting 2
Philippines 1
Philology 1
Philosophy 1
Phonetics 1
Photography 81
Physical chemistry 8
Physical sciences 5
Physics 839
Physiology 3.688
Phytophathology 2
Pipelines 78
Plastics 208
Poetic 5
Police 19
Polish 1
Political economy 1
Politics 570
Polygraphy 59
Polymers 933
Postal service 86
Poultry farming 1
Powder metallurgy 1
Power system protection 1
Press equipment 1
Printed circuit boards 2
Prison slang 1
Private international law 1
Procedural law 20
Procurement 1
Product name 2
Production 40
Professional jargon 1
Programming 2.240
Project management 16
Proper and figurative 2
Proper name 26
Proverb 12
Psychiatry 10
Psychology 21
Psychophysiology 1
Psychotherapy 4
Public transportation 1
Publishing 12
Pulmonology 6
Pulp and paper industry 4
Pumps 5
Quality control and standards 109
Quantum electronics 5
Quantum mechanics 11
Quotes and aphorisms 2
Racing and motorsport 1
Radio 4.017
Radiobiology 1
Radiography 7
Radiolocation 4
Radiology 10
Rail transport 2.521
Real estate 7
Records management 1
Refrigeration 60
Regional usage  other than language varieties 1
Reliability 1
Religion 3.844
Remote sensing 1
Reproductive biology 4
Research and development 29
Risk Management 1
Road construction 2
Road traffic 4
Road works 6
Robotics 4
Roll stock 4
Rude 2.952
Russia 2
Russian language 2
Sakhalin A 12
Sakhalin R 25
Sakhalin S 1
Sakhalin 256
SAP tech. 33
SAP 4
Sarcastical 1
Satellite communications 1
Saying 19
School  terminology 2
School 562
Scientific 23
Scotland 5
Scottish  usage 26
Scuba diving 4
Securities 10
Security systems 744
Seismology 7
Selective breeding 1
Semiconductors 8
Service industry 2
Sewage and wastewater treatment 2
Sewing and clothing industry 2
Sex and sexual subcultures 4
Shipbuilding 16
Short message service 414
Show business 2
Signalling 2
Silicate industry 20
Skiing 3
Slang 1.338
Social media 12
Social science 29
Socialism 2
Sociology 12
Software 2.259
Soil science 2
Solar power 5
Solid-state physics 3
Sound recording 3
South African 2
Soviet 3
Space 23
Spanish-American 4
Spanish 5
Spectroscopy 18
Spoken 5
Sports 5.127
Statistics 77
Stock Exchange 1.079
Stratigraphy 28
Stylistics 4
Sublime 2
Submarines 2
Sugar production 1
Surgery 16
Survey 1
Surveying 15
Swiss term 1
Tabletop games 1
Taxes 14
Technology 32.585
Teenager slang 4
Telecommunications 2.809
Telegraphy 1
Telemechanics 1
Telephony 11
Television 956
Tengiz 15
Tennis 8
Teratology 1
Textile industry 337
Theatre 250
Thermal Energy 4
Thermal engineering 144
Timber floating 4
Tobacco industry 1
Tools 2
Toponym 1
Toxicology 15
Trade unions 180
Trademark 8.075
Transformers 9
Translator's false friend 1
Transplantology 22
Transport 3.873
Travel 5
Trucks/Lorries 3
Turbines 1
Turkish language 1
Typography 1
Uncommon / rare 23
Unit measures 653
United Kingdom 173
United Nations 561
United States 7.423
University 5.428
Urology 41
Valves 3
Ventilation 1
Vernacular language 1
Veterinary medicine 1.509
Vibration monitoring 2
Video recording 6
Virology 11
Volcanology 1
Vulgar 81
Warehouse 1
Waste management 1
Watchmaking 1
Water resources 1
Water supply 188
Weapons and gunsmithing 18
Weapons of mass destruction 100
Welding 15
Welfare & Social Security 4
Well control 10
West Indies 3
Wine growing 3
Winemaking 7
Wood processing 98
Work flow 2
Yachting 1
Yiddish 5
Zoology 22
Total: 1.150.893