"Radio-" is a word in ENGLISH

In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.

One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides …

A circle described about the center of an elliptical orbit, with half the major axis for radius.

One of the bones of either the forearm or shank, the epipodialia being the radius, ulna, tibia, and fibula.

That part of an elliptical or many-centered arch which has the shorter radius and immediately adjoins the impost.

A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave …

A spiral whose polar equation is r2/ = a; that is, a curve the square of whose radius vector varies …

To shorten the radius of (a curve); to make (a curve) sharper; as, to quicken the sheer, that is, to …

Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; …

The bone or cartilage of the carpus which articulates with the radius and corresponds to the scaphoid bone in man.

An arc of a circle which is equal to the radius, or the angle measured by such an arc.

of Radius

pl. of Radius.

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

The barbs of a perfect feather.

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

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

The movable limb of a sextant or other angular instrument.

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

of Radius