The word "parabolic" is spelled as pəˈrɑːbəlɪk. The first syllable, "pa," is pronounced with a short "a" sound as in "pat." The second syllable, "ro," is pronounced with a long "o" sound as in "rope." The third syllable, "bolic," is pronounced with a short "o" sound as in "hot." The stress is on the second syllable, "ro." This word is commonly used in mathematics to describe a particular type of curve, such as the shape of a dish or a satellite dish.
Parabolic is an adjective that refers to a shape or structure that is defined or represented by a parabola. It is derived from the word parabola, which is a U-shaped curve formed by the intersection of a plane with a right circular cone. A parabola is characterized by its specific mathematical equation, y = ax² + bx + c, where a, b, and c are constants.
In a more general sense, parabolic is often used to describe any physical shape or trajectory that resembles or follows a parabolic curve. For instance, the path of a projectile that is affected only by gravity is often described as parabolic, as it traces the same curve as a mathematical parabola.
The term parabolic is also used in the context of optics, specifically when referring to parabolic mirrors or lenses. These optical elements are designed to focus incoming light to a single point called the focal point, resulting in a sharp and clear image. The mirrored surface or the shape of the lens is specifically formed as a parabola to achieve this effect.
Overall, the term parabolic denotes a characteristic or property associated with the shape of a parabola or any object, structure, or trajectory that follows or resembles this distinct curve.
Expressed by parable; having the form of a parabola, or pert. to it.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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The word "parabolic" originates from the Latin word "parabola", which in turn comes from the Greek word "parabolē". "Parabolē" was derived from the Greek verb "paraballein", meaning "to throw beside", which is composed of the prefix "para-" (beside) and the verb "ballein" (to throw). This is due to the shape of the parabola formed when a cone is intersected by a plane parallel to its side. The use of "parabolic" to describe a specific mathematical curve is attributed to Apollonius of Perga, an ancient Greek mathematician.