/ Thesaurus / S Synonyms of semiminor axis Find synonyms for: Noun1. semiminor axis, axisusage: one-half the minor axis of an ellipseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language