A military unit destined to be fielded in tactical operations

binoculars.

(mathematics, physics) A function that assigns a scalar value to every point in space.

a type of hollow clay drainage pipe laid end to end mainly in agricultural fields, with a small gap between each one so water can seep into the pipe.

plural of field tile

(algebra, ring theory) The smallest field in which a given ring can be embedded.

the common poppy (Papaver rhoeas), native to western Eurasia and north Africa.

plural of field book

A reference book containing practical information prepared by, or intended for, people doing fieldwork.

A military or military-style jacket made of fabric (wool or cotton). / A covering used by paleontologists to protect fossils, usually made of plaster and burlap.