concave area
111Hollow-Face illusion — This face of Björn Borg appears convex (pushed out), but is actually concave (pushed in). The Hollow Face illusion (also known as Hollow Mask illusion) is an optical illusion in which the perception of a concave mask of a face appears as a normal …
112Curb (road) — Curb, gutter, and storm drain …
113Semiwadcutter — A semiwadcutter or SWC is a type of all purpose bullet commonly used in revolvers. The SWC combines features of the wadcutter target bullet and traditional round nosed revolver bullets, and is used in both revolver and pistol cartridges for… …
114Cosmic Origins Spectrograph — The Cosmic Origins Spectrograph on its handling cart in the Spacecraft Systems Development Facility cleanroom at the Goddard Space Flight Center The Cosmic Origins Spectrograph (COS) is a science instrument that was installed on the Hubble Space… …
115Body of talus — Left talus, from above. Latin corpus tali Gray s …
116Belgium — /bel jeuhm/, n. a kingdom in W Europe, bordering the North Sea, N of France. 10,203,683; 11,779 sq. mi. (30,508 sq. km). Cap.: Brussels. French, Belgique /bel zheek /; Flemish, België /bel khee euh/. * * * Belgium Introduction Belgium Background …
117eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
118Kyphosis — Outward curvature of the spine, causing a humped back. Treatment is by physical therapy and wearing a back brace, and in some cases by surgery. Surgery may include inserting a metal rod in the spine and restructuring some bones, and is usually… …
119Mathematical optimization — For other uses, see Optimization (disambiguation). The maximum of a paraboloid (red dot) In mathematics, computational science, or management science, mathematical optimization (alternatively, optimization or mathematical programming) refers to… …
120concavity — I (New American Roget s College Thesaurus) Shape like the inside of a sphere or circle Nouns 1. concavity, depression, dip, hollow, indentation, cavity, hole, dent, dint, dimple, follicle, pit, sinus alveolus; excavation, crater, pocket; trough,… …
