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.

词汇	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.
随便看	mainframer mainframers mainframes main gauche maingauche main-gauche main gear main guard main guy mainiac Mainiac main idea/theme main ingredient main ingredients mainland mainlander mainlander mainlanders mainland Europe mainland European main landing gear ma-in-law main levee main line mainline