a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- Angular frequency
a measure of the frequency of an object varying sinusoidally equal to 2π times the frequency in cycles per second and expressed in radians per second. Symbol: π. noun (physics) the frequency of a periodic process, wave system, etc, expressed in radians per second
- Angular gyrus
angular gyrus angular gyrus n. A convolution in the inferior parietal lobule formed by the united posterior ends of the superior and middle temporal gyri. Historical Examples This condition is asserted by many physicians to be referable to destruction of part of the angular gyrus. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 Various
- Angular house
any of the four astrological houses that begin at the angles: the first, fourth, seventh, and tenth houses, that correspond, respectively, to self, home, others, and career.
- Angular leaf spot
a disease of plants, characterized by angular, watery spots on the leaves and fruit, caused by any of several bacteria, as Pseudomonas lachrymans.