Definition of semiminor axis in English:

semiminor axis

noun

Geometry
  • Either of the halves of the minor axis of an ellipse.

    • ‘The dimensions of the model-deformed MTs, with a semiminor axis of 7.2 nm and a semimajor axis of 13.8 nm to the center of the MT wall, are those of the least deformed MTs in the rectangular bundle phase.’
    • ‘We assume height, just as spore width measured elsewhere using EM and optical microscopy, to be identical to the semiminor axis and length to be identical to the semimajor axis.’

Pronunciation

semiminor axis

/ˈsemēˈmīnər/