major in something phrasal verb (see also major)
especially American English to study something as your main subject at college or university:
He’s majoring in Political Science.

[TahlilGaran] Dictionary of Contemporary English ▲

research noun [uncountable] careful detailed work that is done in order to find out more about a subject, especially as a part of a scientific or academic project:
Billions of dollars have been spent on research into the causes and treatment of cancer.
The University has for a long time been a leading centre for research in this field.
work noun [uncountable] the studies that have been done on a particular subject:
Faraday is famous for his work on electricity.
A lot of work has been done on hydrogen-powered cars.
Their work had an enormous influence on the study of genetics.
study noun [countable] a piece of work in which someone examines a particular subject in order to find out more about it, and writes about what they have found:
The study showed that 25 percent of adults do not eat breakfast at all, compared with 14 percent in 1961.
Recent studies suggest that our sense of smell is closely linked with the part of the brain that deals with memory.
experiment noun [countable] a scientific test in order to find out what happens when you do something:
They carried out a series of experiments (=they did a series of experiments) in order to try to prove their theory.
Experiments have shown that there is an increased risk of some forms of cancer.
take verb [transitive] to study a subject that you have chosen at school, college etc:
What classes are you taking next semester?
In my final year, I decided to take English and economics.
do verb [transitive] British English informal to study a particular subject at school or university:
I can’t decide whether to do German or Spanish next year.
Did you do computing at school?
major in something phrasal verb American English to study something as your main subject at a college or university:
Diane majored in psychology at the University of Washington.
revise verb [intransitive] British English to study to prepare for an examination:
It’s best to start revising early.
He’s revising for his final exams.
cram verb [intransitive] informal to study very hard and try to learn a lot of information just before an examination:
Everyone’s cramming for their final exams.
do research to study something in a very detailed way, especially in order to discover new information about it:
He does research at Oxford University.
I’m doing research into second language learning.
It’s difficult to do research on humans.

[TahlilGaran] English Thesaurus ▲