DIAMAGNETISM
Di`a*mag"net*ism, n.
1. The science which treats of diamagnetic phenomena, and of the properties of diamagnetic bodies.
2. That form or condition of magnetic action which characterizes diamagnetics.
DIAMANTIFEROUS
Di`a*man*tif"er*ous, a. Etym: [F. diamant diamond + -ferous.]
Defn: Yielding diamonds.
DIAMANTINE
Di`a*man"tine, a.
Defn: Adamantine. [Obs.]
DIAMETER
Di*am"e*ter, n. Etym: [F. diamètre, L. diametros, fr. Gr. Meter.]
1. (Geom.) (a) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. (b) A diametral plane.
2. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.