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单词 hemispheroid
释义

hemispheroidn.

/hɛmɪˈsfɪərɔɪd/
Etymology: < hemi- prefix + spheroid n. and adj., or < hemisphere n. + -oid suffix. Compare French hémisphéroïde (1732 in Hatzfeld & Darmesteter).
The half of a spheroid; a figure approaching a hemisphere.
ΘΚΠ
the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > spherical or globular > spheroidal > hemispheroid
semispheroidal1664
hemispheroid1728
hemispheroidal1728
semi-ovated1758
semi-ovate1760
1728 E. Chambers Cycl. at Hemispheroidal The Cacao opens when yellow and ripe, into two large Hemispheroids.
1755 J. Bevis tr. Mr. de St. Jacques Silvabelle in Philos. Trans. 1754 (Royal Soc.) 48 397 The hemispheroid of the earth formed by the section..of the circle of declination.
1823 J. Badcock Domest. Amusem. 209 The shape of his pontons..was an oblong hemispheroid.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2018).
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