Crossword-Solution: CONCHOID
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Conchoid | n. | A curve, of the fourth degree, first made use of by the Greek geometer, Nicomedes, who invented it for the purpose of trisecting an angle and duplicating the cube. |
We have 2 clues for the answer “CONCHOID”
| Clue | Answers |
|---|---|
| PLACE curve | 1 answer |
| Curve | 60 answers |
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Dermatological complaint
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Hint 1 meaning
An inflammatory disease of the skin, characterized by the
presence of redness and itching, an eruption of small vesicles, and the
discharge of a watery exudation, which often dries up, leaving the skin
covered with crusts; -- called also tetter, milk crust, and salt rheum.
Hint 2 anagram
EAMZCE
Hint 3 another clue
eruption
9 +1
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Sentences with CONCHOID (5)
Nicomedes, probably intermediate in date between Eratosthenes and Apollonius, was the inventor of the _conchoid_ or _cochloid_, of which, according to Pappus, there were three varieties.
Copyright.] The =pileus= varies from a regular wedge-shape to spathulate, or more or less irregularly petaloid, or conchoid forms, the extremes of size and form being shown in Figs.
The conchoid has been employed by later mathematicians, notably Sir Isaac Newton, in the construction of various cubic curves.
The conchoid is also the locus of any point on a rod which is constrained to move so that it always passes through a fixed point, while a fixed point on the rod travels along a straight line.
When the Plate of Air, by turning the Prisms about their common Axis, became so little inclined to the incident Rays, that some of them began to be transmitted, there arose in it many slender Arcs of Colours which at first were shaped almost like the Conchoid, as you see them delineated in the first Figure.