the lens in an eyepiece that is farthest from the eye and that deviates rays toward the center of the eye lens.
noun, Physics. 1. . noun, Physics. 1. an imaginary line or curve in a field of force, as an electric field, such that the direction of the line at any point is that of the force in the field at that point. noun 1. an imaginary line representing a field of force, such as an […]
noun 1. a magnet for producing a magnetic field, as in a particle accelerator or an electric motor. noun 1. a permanent magnet or an electromagnet that produces the magnetic field in a generator, electric motor, or similar device field magnet A permanent magnet used to produce a base magnetic field against which other magnetized […]
noun 1. an officer of the highest military rank in the British and certain other armies, and of the second highest rank in the French army. noun 1. an officer holding the highest rank in the British and certain other armies
noun 1. an herb, Mentha arvensis, of North America, having downy leaves and small flowers that grow in circles in the leaf axils.