PARABOLIC

parabolic, parabolical

(adjective) having the form of a parabola

parabolic, parabolical

(adjective) resembling or expressed by parables

Source: WordNet® 3.1


Etymology

Adjective

parabolic (not comparable)

Of, or pertaining to, or in the shape of a parabola or paraboloid

Of or pertaining to a parable

Synonyms

• parabolical

Noun

parabolic (plural parabolics)

(mathematics) A parabolic function, equation etc

Source: Wiktionary


Par`a*bol"ic, Par`a*bol"ic*al, a. Etym: [Gr. parabolique. See Parable.]

1. Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction.

2. Etym: [From Parabola.] (Geom.) (a) Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve. (b) Generated by the revolution of a parabola, or by a line that moves on a parabola as a directing curve; as, a parabolic conoid. Parabolic conoid, a paraboloid; a conoid whose directing curve is a parabola. See Conoid.

– Parabolic mirror (Opt.), a mirror having a paraboloidal surface which gives for parallel rays (as those from very distant objects) images free from aberration. It is used in reflecting telescopes.

– Parabolic spindle, the solid generated by revolving the portion of a parabola cut off by a line drawn at right angles to the axis of the curve, about that line as an axis.

– Parabolic spiral, a spiral curve conceived to be formed by the periphery of a semiparabola when its axis is wrapped about a circle; also, any other spiral curve having an analogy to the parabola.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 September 2024

ACETAMINOPHEN

(noun) an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)


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Coffee Trivia

There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.

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