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C_______
Definitions
A mathematical curve generated from a fixed point and another curve at a set distance.
Word origin
From Latin concha (“mussel”) (from Ancient Greek κόγχη (kónkhē)) + -oid or directly from Ancient Greek κογχοειδής (konkhoeidḗs), referring to the curved outline of a mussel shell or anything in this form. By surface analysis, conch + -oid.
Used in a sentence
“The conchoid of a circle with respect to a point on the circle is a cardioid if the fixed distance is equal to the diameter of the circle.”
“The Conchoid of Nicomedes is the conchoid of a straight line with respect to a point not on the line.”
“These curves are called conchoids of Nicomedes after the ancient Greek scholar Nicomedes. He called them conchoids because the shape of their outer branches resembles that of a conch shell or mussel shell.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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