Clinician definition, a physician or other qualified person who is involved in the treatment and observation of living patients, as distinguished from one engaged in research. See more. Dictionary.com
In geometry, the foci (/ËfoÊsaÉª/ ; singular focus) are a pair of special points with reference to which any of a variety of curves is constructed. For example, foci can be used in defining conic sections, the four types of which are the circle, ellipse, parabola, and hyperbola. In addition, foci are used to define the Cassini oval and the Cartesian oval.
conic projection, conical projection-a map projection of the globe onto a cone with its point over one of the earth's poles. equal-area map projection, equal-area projection-a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe.