• 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

Examples from the Web for semidiameter

Historical Examples

  • 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.