'Diametral' definitions:

Definition of 'diametral'

(from WordNet)
adjective
Related to or along a diameter; "the diametral plane" [syn: diametral, diametric, diametrical]

Definition of 'Diametral'

From: GCIDE
  • Diametral \Di*am"e*tral\, n. A diameter. [Obs.] --Sir T. Browne. [1913 Webster]

Definition of 'Diametral'

From: GCIDE
  • Diametral \Di*am"e*tral\, a. [Gr. F. diam['e]tral.] Pertaining to a diameter; diametrical. [1913 Webster]
  • 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. [1913 Webster]