Definition of focaloid in English:

focaloid

noun ˈfəʊkəlɔɪd

Mathematics

A shell bounded by two confocal ellipsoidal surfaces, especially (in early use) one that is infinitely thin.

Late 19th century; earliest use found in William Thomson (1819–1890), archbishop of York. From focal + -oid.

nounˈfəʊkəlɔɪd

Mathematics

A shell bounded by two confocal ellipsoidal surfaces, especially (in early use) one that is infinitely thin.

Late 19th century; earliest use found in William Thomson (1819–1890), archbishop of York. From focal + -oid.

单词	focaloid
释义	Definition of focaloid in English: focaloid noun ˈfəʊkəlɔɪd Mathematics A shell bounded by two confocal ellipsoidal surfaces, especially (in early use) one that is infinitely thin. Origin Late 19th century; earliest use found in William Thomson (1819–1890), archbishop of York. From focal + -oid. Definition of focaloid in US English: focaloid nounˈfəʊkəlɔɪd Mathematics A shell bounded by two confocal ellipsoidal surfaces, especially (in early use) one that is infinitely thin. Origin Late 19th century; earliest use found in William Thomson (1819–1890), archbishop of York. From focal + -oid.
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