"Radian" is a word in ENGLISH

The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees …

The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a …

The arc of the horizon between the true east or west point and the foot of the vertical circle passing …

The arc of the horizon between the true east or west point and the center of the sun, or a …

A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc …

The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is …

A portion of a curved line; as, the arc of a circle or of an ellipse.

An arch.

An instrument for drawing a circular arc without the use of a central point; a cyclograph.

Of or pertaining to an arc.

arku n {1} arch placed over a thoroughfare to commemorate s.t. {2} arc. v [A13; a12b(1)] {1} make, put an …

An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center …

A small molding of rounded surface, the section being usually an arc of a circle. It may be continuous, or …

The Osage orange (Maclura aurantiaca).

A right line uniting the extremities of the arc of a circle or curve.

The secant of the complement of an arc or angle. See Illust. of Functions.

The sine of the complement of an arc or angle. See Illust. of Functions.

The tangent of the complement of an arc or angle. See Illust. of Functions.

The versed sine of the complement of an arc or angle. See Illust. of Functions.

The arc of the horizon, contained between the vertical plane and the prime vertical circle, if reckoned from the east …