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A line generated by a point on a circle rolling along a straight line
Answer for the clue "A line generated by a point on a circle rolling along a straight line ", 7 letters:
cycloid
Word definitions for cycloid in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Brachystochrone \Bra*chys"to*chrone\, n. [Incorrect for brachistochrone, fr. Gr. bra`chistos shortest (superl. of brachy`s short) + ? time : cf. F. brachistochrone. ] (Math.) A curve, in which a body, starting from a given point, and descending solely by ...
WordNet
Word definitions in WordNet
adj. resembling a circle [syn: cycloidal ]
Wikipedia
Word definitions in Wikipedia
A cycloid is the curve traced by a point on the rim of a circular wheel as the wheel rolls along a straight line without slippage. It is an example of a roulette , a curve generated by a curve rolling on another curve. The cycloid, with the cusps pointing ...
Wiktionary
Word definitions in Wiktionary
a. 1 resemble a circle; cycloidal. 2 (label en zoology of fish scales) thin and rounded, with smooth edges. n. 1 (context geometry English) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. 2 (context ...
Usage examples of cycloid.
In this lame cage they were lowered into the excavation, a journey that took them through storage and maintenance areas, restricted sectors, down along porous shale and rock, past timber underpinnings and assemblies of masonry and steel that formed support for subtunnels and emergency access routes, the elevator suddenly dropping into open air, free of its shaft, cabling into the darkness of the inverted cycloid, air currents, oscillation, a bucketing descent through drainage showers and rubble-fall, the cage shaking so badly that Billy sought to convince himself there was a pattern to the vibrations and changes of speed, a hidden consistency, all gaps fillable, the organized drift of serial things passing to continuum.
He could be somatic, hypophrenic, schizoid, cycloid -or any combination of these.
The man overseeing the big cycloid pumps had already hit the master override so the diesel engines chugged in neutral and the pumps spooled to silence.
Rorschach blots interpreted by the patient had become Rorschach blobs manipulated unconsciously by the patient, and Phillips could classify the crew members with certainty: schizoids, cycloids, paranoids, homosexuals, sadists, incipient homicides psychopaths.
I tried to follow Agassiz's scheme of division into the order of ctenoids and ganoids, with the result that I found one of my species of side-swimmers had cycloid scales on one side and ctenoid on the other.
It was considerably more rewarding to consider the curtate cycloid described by Mount Chimborazo if one were positioned somewhere above the South Pole, to see this portion of the surface as moving backward with respect to the orbital progression of the body.
But if you mark a point B on the circumference of the flange of a locomotive-wheel, the curve will be a curtate cycloid, as in Fig.
He consoled himself with the thought that it wouldn't last long and more pointedly with the clinical knowledge that a person afflicted with cyclothymia, the technical name for this condition, was known, of all things, as a cycloid.
In the first course, there was a shoulder of mutton cut into an equilateral triangle, a piece of beef into a rhomboides, and a pudding into a cycloid.
In the first course there was a shoulder of mutton, cut into an æquilateral triangle, a piece of beef into a rhomboides, and a pudding into a cycloid.