i. yarıçap. A radius equals the distance from a circle’s center to its circumference. (Yarıçap, dairenin merkezinin daire çevresine olan uzaklığa eşittir.)

A right line drawn or extending from the center of a circle
to the periphery; the semidiameter of a circle or sphere.

The preaxial bone of the forearm, or brachium,
corresponding to the tibia of the hind limb. See Illust. of
Artiodactyla.

A ray, or outer floret, of the capitulum of such plants as
the sunflower and the daisy. See Ray, 2.

The barbs of a perfect feather.

Radiating organs, or color-markings, of the radiates.

The movable limb of a sextant or other angular instrument.