plural of field book

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

(physics) A theoretical field associated with electroweak symmetry breaking, the quantum of which is the Higgs boson; interaction with this field is hypothesised to give elementary particles their mass.

(algebraic number theory) A number field that is an extension field of degree two over the rational numbers.

(number theory, algebraic number theory) A number field obtained by adjoining a primitive root of unity to the field of rational numbers.

(acoustics) The region within a distance a fraction of a wavelength from a sound source. Accordingly, the outer boundary of the near-field region is closer for high-pitched sound than for low-pitched sound.

(definite, mathematics) the requirements for an object to be considered a field: / plural of field axiom

(sports) A variety of lacrosse played on a grassy field, outdoors.

(mathematics) Any of the several axioms that an object should meet to be considered a mathematical field.

A book intended to help the reader to identify wildlife, or other natural objects, in the field.