Dictionary

ellipsoid

noun el·lip·soid \i-ˈlip-ˌsid, e-\

Definition of ELLIPSOID

:  a surface all plane sections of which are ellipses or circles
el·lip·soi·dal \i-ˌlip-ˈsi-dəl, (ˌ)e-\ also ellipsoid adjective

First Known Use of ELLIPSOID

1721

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: ellipsoidal spotlightPrevious Word in the Dictionary: ellipsographAll Words Near: ellipsoid
May 23, 2015
debouch Hear it
to emerge or cause to emerge
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears