Programs & Degrees. Emergency Medical Technician. Very often, the first medical professionals on the scene of an emergency are Emergency Medical Technicians, or EMTs. Much more than mere âambulance driversâ, EMTs respond to all types of emergency calls and perform a wide variety of pre-hospital medical care.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: quadratic equation, quadratic (noun). an equation in which the highest power of an unknown quantity is a square. quadratic, quadratic polynomial (adj). a polynomial of the second degree. quadratic (adj). of or relating to or resembling a square.
In Euclidean plane geometry, a quadrilateral is a polygon with four edges (or sides) and four vertices or corners. Sometimes, the term quadrangle is used, by analogy with triangle, and sometimes tetragon for consistency with pentagon (5-sided), hexagon (6-sided) and so on. Rectangle: all four angles are right angles. 2  An equivalent condition is that the diagonals bisect each other and are equal in length. 3  Informally: a box or oblong (including a square). 4  Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles.