› [C] a subject or area that you work in or study: The assessment of microfinance programs remains an important field for researchers, policymakers, and practitioners. I will be travelling throughout the state presenting best teaching practices in my field of expertise. The institution has many top researchers in this field. › [S] a place outside an office or laboratory (= room used for scientific work) where practical work and research is done: He also trains specialists on using the software, which interprets data gathered in the field. › [C] NATURAL RESOURCES an area of land or a sea bed where minerals can be found: oil/gas/coal field Oil companies announced plans to jointly develop a new major oil field on Alaska's North Slope. › [C] IT a space in a database or file which can contain a particular type of information, for example, names or numbers: Each entry in a database activity module can have multiple fields of multiple types, e.g. a text field called 'favourite colour' .
lead the field › to be in the leading position in a particular area of activity: A French company and its American subsidiary lead the field in selling such items.
level playing field › a situation that is fair, because no competitor has an advantage over another: A reduction in interest rates would enable the country's manufacturers to compete on a level playing field.
outside sb's field (also not be sb's field) › if something is outside someone's field, it is not a subject or type of work that they know much about: It is not uncommon to work outside your field of expertise in today's economy.