ellipsoid
1
8.2
- adjective
- /ɪˈlɪp.sɔɪd/
- Specialized
:
elipsoidal
- Switching signals are to be designed to determine if a given ellipsoid is (strictly) invariant in Problem 1 under the known control gain Ki, while switched feedback control laws are to be designed to enlarge the invariant ellipsoid and reject the disturbance in Problem 2.
Examples
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Such sensors employ the same principle as whispering galleries in such buildings as the U.S. Capitol; these ellipsoid-shaped rooms enable the smallest sound made at one focal point to be clearly heard at the other focal point, many feet away.
Academic text (2010) -
But Vesta ain't no ellipsoid.
Blog text (5) -
This works really, really well when the world you're dealing with is spherical or some other mathematically (relatively) simple shape like an ellipsoid.
Blog text (5) -
The anatomical discussion of the source of reflection stems from beautiful work done by Christine Curcio, and definitely muddies the waters, with the lengths seeming to correspond more to the inner segment ellipsoid and the mitochondria present there.
Blog text (8) -
She had ground curved mirrors for the ellipsoid walls that reproduced the interior of the room in such a way that it was difficult to induce visitors to step inside the door because they saw the room of 300 square feet merge into an endless and trackless forest of orange and lemon trees in which they seemed certain to be lost.
Fiction book (1995) -
The planet Jupiter is not a perfect sphere; instead, it has an ellipsoid shape due to its rapid rotation.
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In geometry, an ellipsoid is often used to approximate the shape of planets and other celestial bodies.
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The artist created a sculpture that mimics the smooth curves of an ellipsoid, capturing its elegant form.
Synonyms
1
7.6
Having the shape of a ball or an egg and almost round
Shaped like a stretched or squashed ball, for example a planet
Compounds
- Specialized
A solid made by turning an oval around its middle line, like the Earth
Surface Forms
Morphology
Etymology
The adjective ellipsoid comes from the same parts, ellipse + -oid, meaning 'like' or 'form', so to call something ellipsoid is to say it has a three-dimensional 'ellipse-like' shape, for example a slightly flattened planet.