D defs.my
Entry 2 senses · 2 variants Webster, 1913

Diametral

· Di·am·e·tral · IPA
01 a. Pertaining to a diameter; diametrical.
  1. 1.
    Pertaining to a diameter; diametrical.
Phrases & compounds
Diametral curve — any line or surface which bisects a system of parallel chords drawn in a curve or surface.
Diametral planes — planes in which two of the axes lie.
02 n. A diameter.
  1. 1.
    A diameter.[Obs.]