plural of virgin fields epidemic

plural of Killing vector field

plural of level playing field

(mathematics) A field of plotted slopes of a differentiable function.

A trip, usually in a group and especially by students, to a place of special interest for education, research or exploration; a trip into the field.

(baseball) The part of a baseball field which is beyond the infield and to the left of a person standing on home plate and facing the pitcher.

(modern) B-field. / (dated) H-field.

(cricket) A field set with fielders in positions designed to prevent runs rather than take wickets.

(cricket) A rule governing the placement of fielders (within an oval drawn on the pitch) at certain times during the innings of a one-day match.

An area under which are reserves of petroleum, especially one with productive oil wells.