on-course curvature
71Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC …
72Public Land Survey System — Seal of the BLM The Public Land Survey System (PLSS) is a method used in the United States to survey and identify land parcels, particularly for titles and deeds of rural, wild or undeveloped land. Its basic units of area are the township and… …
73Aerobatics (radio-controlled aircraft) — Aerobatics for radio controlled aircraft are basically the same aerobatic maneuvers as those being flown by full scale aircraft but performed in model scale by remote control. Turns, rolls, spins, and stalls are demonstrated in combination for… …
74Point bar — A point bar is a depositional feature of streams. Point bars are found in abundance in mature or meandering streams. They are crescent shaped and located on the inside of a stream bend. Point bars are composed of sediment that is well sorted and… …
75digestive system disease — Introduction any of the diseases that affect the human digestive tract. Such disorders may affect the esophagus, stomach, small intestine, large intestine (colon), pancreas, liver, or biliary tract. A prevalent disorder of the digestive… …
76Aberration — (1) A deviation or irregularity. For example, a chromosome aberration is a deviation from the normal chromosome number or the normal chromosome structure. In this sense, aberration is also synonymous with deflection, departure, divergence,… …
77curve — 1. A nonangular continuous bend or line. 2. A chart or graphic representation, by means of a continuous line connecting individual observations, of the course of a physiologic activity, of the number of cases of a disease in a given period, or of …
78spherical sailing — noun : sailing in which the earth is regarded as a spherical or spheroidal figure and allowance is made for the curvature of its surface in directing the course of a ship * * * a method of navigation in which the curvature of the earth is taken… …
79Orbifold — This terminology should not be blamed on me. It was obtained by a democratic process in my course of 1976 77. An orbifold is something with many folds; unfortunately, the word “manifold” already has a different definition. I tried “foldamani”,… …
80Scheuermann's disease — Classification and external resources A 20 year old male with Scheuermann s disease, showing various measurement of kyphotic/lordotic degrees and their supplementary angles. Notice the signature wedging shape of the four vertebrae in the lower… …
