| field magnet |
a magnet used to produce and maintain a magnetic field in an electrical device such as a motor, generator, or particle accelerator. |
| field marshal |
a military officer of the highest or next to highest rank in the armies of certain European countries. |
| field officer |
a military officer with the rank of colonel, lieutenant colonel, or major. |
| fieldpiece |
a piece of artillery for use on the battlefield; field gun. |
| field-test |
to test (something) in the same conditions as those in which it will actually be used. |
| field theory |
in physics, a mathematical description of the effects of physical fields on the distribution and behavior of matter. |
| field trip |
a trip or excursion to a place, often by a group of students or the like, to gain firsthand information, knowledge, or experience. |
| fieldwork |
scientific research, exploration, or observation conducted in the field rather than the laboratory or classroom. [2 definitions] |
| fiend |
an evil spirit or demon; devil. [3 definitions] |
| fiendish |
of, pertaining to, or like a fiend; diabolical or extremely cruel. [2 definitions] |
| fierce |
dangerously wild, hostile, or vicious; ferocious. [4 definitions] |
| fiercely |
in a dangerously wild, hostile, or vicious manner. [3 definitions] |
| fiery |
containing, consisting of, or accompanied by fire; flaming. [4 definitions] |
| fiesta |
a festival, esp. a religious celebration in Spanish-speaking nations. |
| fife |
a small, high-pitched transverse flute, used mainly to accompany drums in military or marching music. [2 definitions] |
| fifteen |
the number represented by the Arabic numeral 15 and by the Roman numeral XV. [3 definitions] |
| fifteenth |
indicating rank or position between fourteenth and sixteenth. [3 definitions] |
| fifth |
indicating rank or position between fourth and sixth. [4 definitions] |
| Fifth Amendment |
an amendment to the U.S. Constitution that guarantees certain rights to accused criminals by providing due process of law, forbidding double jeopardy, and protecting persons from testifying against themselves. |
| fifth column |
a clandestine, subversive group working within its native country to betray it to an enemy force or nation. |
| fifth wheel |
a coupling structure, consisting of two rotating disks placed on the front axle of a cart or carriage, that supports the body while allowing it to turn, or a similar structure that acts as a coupling between the cab and trailer on a tractor-trailer. [2 definitions] |