English Vocabulary by Field: 100 Professional Glossaries
Learn the English words people really use at work: software, medicine, law, economics, tourism and 95 other fields. Every term comes with a plain-English definition, how it is used on the job, collocations and example sentences.
- 100 fields
- 11,600 terms with examples
Browse by field
Technology & IT
- Software EngineeringFor software developers1,000 terms
- Web DevelopmentFor web developers100 terms
- Mobile App DevelopmentFor mobile developers100 terms
- Data Science & AnalyticsFor data scientists and analysts100 terms
- Artificial Intelligence & Machine LearningFor AI and machine learning engineers100 terms
- CybersecurityFor security professionals100 terms
- Cloud Computing & DevOpsFor DevOps and cloud engineers100 terms
- Networking & TelecommunicationsFor network and telecom engineers100 terms
- Databases & SQLFor database developers and administrators100 terms
- Game DevelopmentFor game developers100 terms
- UX/UI DesignFor product and UX/UI designers100 terms
- Product ManagementFor product managers100 terms
- Blockchain & CryptoFor people working with blockchain and crypto100 terms
- Robotics & AutomationFor robotics and automation engineers100 terms
Engineering & Industry
- Electrical & Electronics EngineeringFor electrical and electronics engineers100 terms
- Mechanical EngineeringFor mechanical engineers100 terms
- Civil Engineering & ConstructionFor civil engineers and construction teams100 terms
- ArchitectureFor architects and architecture students100 terms
- Industrial Engineering & ManufacturingFor industrial engineers and plant staff100 terms
- Chemical EngineeringFor chemical engineers100 terms
- AutomotiveFor automotive engineers and technicians100 terms
- AviationFor pilots, cabin crew and aviation staff100 terms
- Maritime & ShippingFor seafarers and shipping professionals100 terms
- Energy & RenewablesFor energy professionals100 terms
- Oil, Gas & MiningFor oil, gas and mining professionals100 terms
- Food Science & TechnologyFor food engineers and food industry staff100 terms
Health & Medicine
- MedicineFor doctors and medical students200 terms
- Anatomy & PhysiologyFor medical and health science students100 terms
- NursingFor nurses and nursing students100 terms
- DentistryFor dentists and dental students100 terms
- Pharmacy & PharmacologyFor pharmacists and pharmacy students100 terms
- PsychologyFor psychologists and psychology students100 terms
- Nutrition & DieteticsFor dietitians and nutrition students100 terms
- PhysiotherapyFor physiotherapists100 terms
- Veterinary MedicineFor veterinarians and vet students100 terms
- Public Health & EpidemiologyFor public health professionals100 terms
- Emergency Medicine & First AidFor paramedics, emergency staff and first aiders100 terms
- Healthcare ManagementFor hospital and healthcare managers100 terms
Science & Nature
- BiologyFor biology students and researchers100 terms
- Genetics & BiotechnologyFor genetics and biotech researchers100 terms
- ChemistryFor chemistry students and lab staff100 terms
- PhysicsFor physics students and teachers100 terms
- MathematicsFor math students and teachers100 terms
- StatisticsFor students and researchers using statistics100 terms
- Astronomy & SpaceFor astronomy and space enthusiasts100 terms
- Geology & Earth SciencesFor geology and earth science students100 terms
- Environment & ClimateFor environmental professionals and students100 terms
- AgricultureFor farmers and agricultural engineers100 terms
Business & Management
- Business EnglishFor professionals in international companies200 terms
- Management & LeadershipFor managers and team leaders100 terms
- MarketingFor marketers100 terms
- Digital Marketing & SEOFor digital marketers100 terms
- Sales & RetailFor sales and retail staff100 terms
- Human ResourcesFor HR professionals100 terms
- Entrepreneurship & StartupsFor founders and startup teams100 terms
- Project ManagementFor project managers100 terms
- E-commerceFor online sellers and e-commerce teams100 terms
- Logistics & Supply ChainFor logistics and supply chain professionals100 terms
- International TradeFor import and export professionals100 terms
- Customer ServiceFor customer service and support agents100 terms
- Real EstateFor real estate agents and investors100 terms
Economics & Finance
Law, Politics & Society
- LawFor lawyers and law students200 terms
- Criminal Law & JusticeFor criminal lawyers, police and students100 terms
- Contract & Commercial LawFor business lawyers and contract managers100 terms
- Politics & GovernmentFor readers of political news and political science students100 terms
- International Relations & DiplomacyFor diplomats and IR students100 terms
- Public AdministrationFor civil servants and public administration students100 terms
- Military & DefenceFor military personnel and defence industry staff100 terms
- SociologyFor sociology students100 terms
- Social WorkFor social workers100 terms
- Immigration & VisasFor people applying for visas or moving abroad100 terms
Education & Humanities
- Education & TeachingFor teachers and education students100 terms
- Academic English & ResearchFor university students and researchers200 terms
- Linguistics & GrammarFor linguistics students and language teachers100 terms
- HistoryFor history students and readers100 terms
- PhilosophyFor philosophy students and readers100 terms
- Religious Studies & TheologyFor theology and religious studies students100 terms
- LiteratureFor literature students and book lovers100 terms
- Child Development & Early EducationFor early years teachers and child development students100 terms
Arts, Media & Design
- Journalism & MediaFor journalists and media students100 terms
- Social Media & Content CreationFor content creators and social media managers100 terms
- Graphic DesignFor graphic designers100 terms
- Film & TelevisionFor filmmakers and film lovers100 terms
- MusicFor musicians and music students100 terms
- PhotographyFor photographers100 terms
- Art & Art HistoryFor art students and museum visitors100 terms
- Fashion & TextilesFor fashion designers and textile professionals100 terms
- Interior DesignFor interior designers100 terms
Travel, Careers & Everyday Work
- Tourism & HospitalityFor hotel and tourism staff200 terms
- Culinary Arts & CookingFor chefs and kitchen staff100 terms
- Travel & Airport EnglishFor travellers100 terms
- Sports & FitnessFor athletes, coaches and fitness trainers100 terms
- Football (Soccer)For football fans, players and coaches100 terms
- Job Interviews & CareersFor job seekers100 terms
- Office & AdministrationFor office and administrative staff100 terms
How to learn the vocabulary of your field
- Start with the core terms
Each glossary lists the most essential terms first. Learn the core terms of your field before the specialist ones.
- See every word in context
Read the usage notes and example sentences. A term you have seen in three real sentences is easier to recall than one from a word list.
- Read real texts and keep the words
Read articles, reports and books from your field in English. In the Okuzeka app you tap an unknown word, see its meaning in that sentence and save it as a flashcard.
Frequently asked questions
What is English for specific purposes (ESP)?
English for specific purposes is English taught for one field or job, such as medical English, legal English or English for software developers. It focuses on the terms, phrases and texts of that field instead of general topics.
How many words do I need to work in English in my field?
Most fields have a core of a few hundred terms that appear in almost every text and meeting. These glossaries start with that core; once you know it, reading real texts from your field teaches you the rest much faster.
Are the glossaries free?
Yes. Every glossary page, definition and example sentence on this site is free to read without an account.
Can I practise these words in an app?
Yes. With the Okuzeka app for iPhone and Android you read English books, articles and PDFs, tap any word to see its meaning in context and save it to your flashcards.
Practise with graded reading
Reading at the right level is the fastest way to make new words stick. Pick free English books by level: