(chemistry, physics) a theory, a combination of the earlier crystal field theory with molecular orbital theory, that describes the structure of coordination compounds

(medicine, pathology) An epidemic with unusually serious consequences resulting from contact of an infectious and/or contagious agent with a population not previously exposed to it.

(US) A series of physical tasks, such as walking a straight line, used by police to determine whether a person is under the influence of alcohol.

(chemistry, physics) A description of various properties of transition element complex compounds that compares the effects of its ligands to that of neighbouring atoms in a crystal

(basketball) A statistic computed by dividing a player or team's made field goals by the total number of field goals he or it attempted.

plural of Archimedean ordered field

One who plays field hockey, especially professionally.

plural of algebraic number field

An engineer in charge of both pre-sales support and project management.

(relativity) A symmetric 4 × 4 tensor equation in general relativity in which the gravitational force is described as a curvature of spacetime caused by matter and energy.