circles (noun)
61spherical polygon — noun Date: circa 1825 a figure analogous to a plane polygon that is formed on a sphere by arcs of great circles …
62Venn diagram — noun Etymology: John Venn died 1923 English logician Date: 1918 a graph that employs closed curves and especially circles to represent logical relations between and operations on sets and the terms of propositions by the inclusion, exclusion, or… …
63whirligig beetle — noun Date: 1855 any of a family (Gyrinidae) of beetles with two pairs of eyes and clubbed antennae that live mostly on the surface of water where they swim swiftly about in circles …
64whirling disease — noun Date: 1946 an infectious often fatal disease especially of young salmonid fishes (as trout and salmon) that is caused by a protozoan (Myxobolus cerebralis syn. Myxosoma cerebralis) and is marked by skeletal deformities and a tendency to swim …
65whiteboard — noun /ˈwaɪtbɔːd/ A large vertical writing area, finished with a hard white material, which can be written upon using special markers and subsequently erased. Mark Miller gave himself up to Xanadus pull and rejoined the project full time. The new… …
66okuritsuriotoshi — noun a kimarite in which the attacker circles behind his opponent then lifts him up and slams him down …
67fifteenness — noun The property of being fifteen. The fifteenness is unique to the icosahedron and probably valves the 15 great circles of the icosahedron …
68cereologist — noun Someone who studies crop circles, especially one who believes that they are not man made or formed by other terrestrial processes. See Also: cereology …
69square circle — noun a cancellation mark consisting of an outer ring of concentric circles, cropped into a square shape …
70radical axis — noun The line containing the locus of points from which the segments respectively tangent to two given circles have equal length. Syn: radical line See Also: radical center …
