semimajor

Alternative forms

• semi-major

Etymology

From semi- +‎ major.

Pronunciation

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Adjective

semimajor (not comparable)

1. (geometry) Of or pertaining to the semimajor axis, the long axis of an ellipse

   a semimajor radius

2. Less than major, but still significant
   • 1997, Harlan Coben, Drop Shot‎, page 291:

     He waited by court sixteen, a semimajor court. It had the most seating next to the Stadium and Grandstand, though less than most high school gyms.