Di*am"e*tral (?), a. [Gr. F. diam'etral.]
Pertaining to a diameter; diametrical.
Diametral curve, Diametral surface Geom., any line or surface which bisects a system of parallel chords drawn in a curve or surface. -- Diametral planes Crystal., planes in which two of the axes lie.
© Webster 1913.
Di*am"e*tral, n.
A diameter.
[Obs.]
Sir T. Browne.
© Webster 1913.