ellipsoid

noun el·lip·soid \ i-ˈlip-ˌsȯid , e- \

Definition of ellipsoid

: a surface all plane sections of which are ellipses or circles

ellipsoidal

play \i-ˌlip-ˈsȯi-dᵊl, (ˌ)e-\ or less commonly ellipsoid adjective

Recent Examples of ellipsoid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ellipsoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ellipsoid

1721

in the meaning defined above

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