Used to describe the most common form of optical microscopy in which light is transmitted through the sample which appears on a bright background

(construction) A splice or seam made in the field (not factory) where overlapping sheets are joined together using an adhesive, splicing tape, or heat or solvent welding.

(physics) The distribution of the density and velocity of a fluid over space and time

The part of an army's artillery which consists of (light) fieldpieces (cannons, howitzers) which are mobile enough to deploy on the (battle) field, as opposed to the fixed guns in fortifications or naval artillery; usually excludes antiaircraft.

A (para)military commissioned officer who holds a field grade, ranking under general officers but above lower grades and fit to command medium-size units on the field, such as a battalion or regiment; or a non-army equivalent in rank.

(military) Each of the commissions which rank a (para)military officer below the (highest) class of general officers, but above other commissioned officers and NCOs.

plural of field horsetail

Alternative spelling of strewnfield

(physics) The portion of an isotope shift produced by the changing shape of a nucleus upon the addition of a neutron

plural of field shift