parabolic, parabolical
(adjective) having the form of a parabola
parabolic, parabolical
(adjective) resembling or expressed by parables
Source: WordNet® 3.1
parabolic (not comparable)
Of, or pertaining to, or in the shape of a parabola or paraboloid
Of or pertaining to a parable
• parabolical
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
14 March 2025
(noun) the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
