Angular mil — An angular mil, also mil, is a unit of angle. All versions of the angular mil are approximately the same size as a trigonometric milliradian. Contents 1 History 2 Mathematical principle 3 Use … Wikipedia
Angular eccentricity — In the study of ellipses and related geometry, various parameters in the distortion of a circle into an ellipse are identified and employed: Aspect ratio, flattening and eccentricity. All of these parameters are ultimately trigonometric functions … Wikipedia
Cross-cutting relationships — Cross cutting relations can be used to determine the relative ages of rock strata and other geological structures. Explanations: A folded rock strata cut by a thrust fault; B large intrusion (cutting through A); C erosional angular unconformity… … Wikipedia
Optimum HDTV viewing distance — is the distance that provides the viewer with the optimum immersive visual HDTV experience. Although opinions vary on the exact screen size to distance relationship, formal research and recommendations suggest closer is preferred to further[not… … Wikipedia
Cadent house — In astrology, a cadent house is the last house of each quadrant of the zodiac. A quadrant begins with an angular house, (the house in which a chart angle lies) proceeds to a succedent house and ends with a cadent house. There are four quadrants… … Wikipedia
Covalent bond — Covalent redirects here. For other uses, see Covalent (disambiguation). A covalent bond forming H2 (right) where two h … Wikipedia
Horoscope — In astrology, a horoscope is a chart or diagram representing the positions of the Sun, Moon, planets, the astrological aspects, and sensitive angles at the time of an event, such as the moment of a person s birth. The word horoscope is derived… … Wikipedia
Lambert azimuthal equal-area projection — The Lambert azimuthal equal area projection is a particular mapping from a sphere to a disk. It accurately represents area in all regions of the sphere, but it does not accurately represent angles. Intuitively, it gives a planar picture of the… … Wikipedia
angle board — in dental radiology, a device used to facilitate the establishment of reproducible angular relationships between a patient s head and the plane of an x ray film … Medical dictionary
hoe scaler — a scaler made with different angular relationships of shank and handle, but with the blade bent at a 99° angle, and the flattened termination surface beveled at an angle of 45°, used for planing and smoothing root surfaces … Medical dictionary
aspect — noun 1》 a particular part or feature. ↘a particular appearance or quality. 2》 the positioning of a building in a particular direction. ↘the side of a building facing a particular direction. 3》 Grammar a category or form of a verb which… … English new terms dictionary