Dictionary: A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z


[ih-lip-soid] /ɪˈlɪp sɔɪd/

Geometry. a solid figure all plane sections of which are ellipses or circles. Typical equation: (x 2 / a 2) + (y 2 / b 2) + (z 2 / c 2) = 1.


1721; see ellipse + -oid. From 1861 as an adjective (earlier adjective was ellipsoidal).
A three-dimensional geometric figure resembling a flattened sphere. Any cross section of an ellipsoid is an ellipse or circle. An ellipsoid is generated by rotating an ellipse around one of its axes.


Read Also:

  • Elver

    [el-ver] /ˈɛl vər/ noun 1. a young eel, especially one that is migrating up a stream from the ocean. /ˈɛlvə/ noun 1. a young eel, esp one migrating up a river from the sea See also leptocephalus n. “young eel,” 1640s, variant of eelfare (1530s), literally “passage of young eels up a river;” see eel […]

  • Elve

    [elv] /ɛlv/ noun 1. an extremely dim, flattened, expanding, reddish glow briefly seen over a thunderstorm, due to electromagnetic pulses from intense lightning. elve (ělv) An extremely dim, short-lived, expanding disk of reddish light above thunderstorms, believed to be caused by electromagnetic pulses from intense lightning in the lower ionosphere. Elves last less than a […]

  • Elvira

    [el-vahyr-uh, -veer-uh] /ɛlˈvaɪr ə, -ˈvɪər ə/ noun 1. a female given name: from a Germanic word meaning “elf counsel.”. fem. proper name, from Spanish, of Germanic origin.

  • Elvish

    [el-vish] /ˈɛl vɪʃ/ adjective 1. . /ˈɛlvɪʃ/ adjective 1. a variant of elfish adj. c.1200, aluisc, “belonging to or pertaining to the elves; supernatural,” from elf + -ish. Old English used ilfig in this sense. character 1. The Tengwar of Feanor, a table of letterforms resembling the beautiful Celtic half-uncial hand of the “Book of […]

Disclaimer: Ellipsoid definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.