| 单词 | witch of agnesi |
| 释义 | witch of Agnesi in British English (ɑːnˈjeɪzɪ) noun mathematics a plane curve, symmetrical about the y-axis, having the equation x2y = 4a2(2a–y) Sometimes shortened to: witchWord origin C19: named after Maria Gaetana Agnesi (1718–99), Italian mathematician and philosopher; probably so called from the resemblanceof the curve to the outline of a witch's hatwitch of Agnesi in American English (ɑːˈnjeizi) noun Geometry a plane curve symmetrical about the y-axis and asymptotic to the x-axis, given by the equation x2y =4a2(2a−y) Also called: versiera Word origin [1870–75; named after Maria Gaetana Agnesi (1718–99), Italian mathematician and philosopher]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Victorian, billing, giveaway, immobilize, onshore |
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