- half of a diameter; radius.
Origin of semidiameter
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Examples from the Web for semidiameter
Each semicircular niche was about a foot in its semidiameter.Passages From the French and Italian Notebooks, Volume 1
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.The Way To Geometry
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.