Definition of semiminor axis in US English:

semiminor axis


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

    • ‘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.’
    • ‘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.’


semiminor axis