• synonyms


[sem-ee-dahy-am-i-ter, sem-ahy-]
See more synonyms for semidiameter on Thesaurus.com
  1. half of a diameter; radius.
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Origin of semidiameter

First recorded in 1545–55; semi- + diameter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for semidiameter

purview, ambit, span, extension, space, interval, reach, orbit, expanse, limit, extent, compass, boundary, spoke, semidiameter

Examples from the Web for semidiameter

Historical Examples of semidiameter

  • Each semicircular niche was about a foot in its semidiameter.

    Passages From the French and Italian Notebooks, Volume 1

    Nathaniel Hawthorne

  • And with your compas take the quantitee of the semidiameter iustly.

  • For a right line either from the center unto the touch-point; or from the touch point unto the center is radius or semidiameter.

  • Then at the ende of eche semidiameter, I draw a touche line, whiche shall make righte angles with the semidiameter.

  • Whereby it dothe well appeare, that the side of anye sisangle made in a circle, is equalle to the semidiameter of the same circle.